[1. Rosik-Dulewska, Cz., (2008). The basis for waste management, PWN, Warszawa (in Polish).]Search in Google Scholar
[2. Regulation of the Minister of the Environment of 27 September 2001 on the catalogue of waste (J. of L. 112, item 1206) (in Polish).]Search in Google Scholar
[3. Rosik-Dulewska, Cz., Robak, J. & Głowala, K. (2007). Granulated organic and mineral fertilizers: Technology and utility properties, Pol. J. Chem. Tech. 9/4, 36-39. DOI: 10.2478/ v10026-007-0085-9.10.2478/v10026-007-0085-9]Search in Google Scholar
[4. Hoffmann, J. & Radosiński, E. (2007). Environmental management concepts supported by information technology, Pol. J Chem. Tech., 4, 8-13. DOI: 10.2478/v10026-007-0080-1.10.2478/v10026-007-0080-1]Search in Google Scholar
[5. Rosik-Dulewska, Cz., Głowala, K., Karwaczyńska, U. & Robak, J. (2008). Elution of heavy metals from granulates produced from minicipal sewage deposits and fly-ash of hard and Brown coal in the aspect of recycling for fertilization purposes. Arch. Environ. Prot., 34/2, 63-71.]Search in Google Scholar
[6. Hoffmann, K. & Hoffmann, J. (2007). The utilization of peat, lignite and industrial wastes in the production of mineral-organic fertilizers, Am. J. Agric. Biol. Sci., 2/4, 254-259. http://www.scipub.org/scipub/journals.php. DOI: 10.3844/ ajabssp.2007.254.259.]Search in Google Scholar
[7. Chudek, M., Hycnar, J., Janiczek, S. & Plewa, F. (1999). Brown coal - utilization of accompanying raw materials and energetic waste, Wyd. Politechniki Śląskiej, Gliwice (in Polish).]Search in Google Scholar
[8. Kalembasa, S. & Tengler, S. (2004). The role of lignite in the fertilization and environmental protection, Monografie nr 52, Wyd. Akademii Podlaskiej, Siedlce (in Polish).]Search in Google Scholar
[9. Maciejewska, A. (1998). Lignite as a source of organic matter and its influence on soil properties, Oficyna Wydawnicza Politechniki Warszawskiej, Warszawa (in Polish).]Search in Google Scholar
[10. Bereśniewicz, A. & Nowosielski, O. (1976). The possibility of agricultural use of lignite, Zesz. Probl. Post. Nauk Rol., 1, 69-84 (in Polish).]Search in Google Scholar
[11. Nowosielski, O. (1995). Lignite as a base and fertilizer and raw material for production of bases and fertilizers. Węg. Brunat., 4, 87-92 (in Polish).]Search in Google Scholar
[12. Maciejewska, A. & Kwiatkowska, J. (2002). The use of preparations from lignite to management of post-mining land, Acta Agroph., 73, 243-250 (in Polish).]Search in Google Scholar
[13. Nowak, J. & Kudełko, J. (2008). The use of lignite in terms of application manufacturing technology of other energy carriers, Gosp. Sur. Min., 24/4, 259-271 (in Polish).]Search in Google Scholar
[14. Kasiński, J., Mazurek, S. & Piwocki, M. (2006). Evaluation and ranking of lignite deposits in Poland. Państwowy Instytut Geologiczny, Warszawa (in Polish).]Search in Google Scholar
[15. Kasztelewicz Z. (2008). Lignite resources in Poland and the prospects for its use, Polit. Energ., 11/1, 181-200 (in Polish).]Search in Google Scholar
[16. Maciejewska, A. (1998). Directions for further research on the use of lignite in agriculture and environmental protection, Zesz. Probl. Post. Nauk Rol., 455, 223-232 (in Polish).]Search in Google Scholar
[17. Grzelak, A. (1993). Utilization possibilities of lignite and accompanying raw materials in agriculture and ecology, Gór. Odkryw. XXXV, 3-4, 51-65 (in Polish).]Search in Google Scholar
[18. Brożyna, M., Rosik-Dulewska, Cz., Dulewski, J. & Król, R. (1999). Technical and legal aspects of fly-ash utilization in coal mines in Poland. Proccedings of the International Symposium on Beneficiation, Aglomeration and Environment (ISBAN-99). Bhubaneswar January, 411-416.]Search in Google Scholar
[19. Mazur, T., Wojtas, A. & Mazur, Z. (1998). Agricultural value of mineral-organic fertilizers produced on the basis of lignite, Zesz. Probl. Post. Nauk Rol., 455, 141-147 (in Polish).]Search in Google Scholar
[20. Hoffmann, K. & Huculak-Mączka, M., (2011). Evaluation of sorption properties of humic acids as a factor in determining the possibility of their use for fertilizer purpose, Przem. Chem., 90/5, 792-795 (in Polish).]Search in Google Scholar
[21. Stevenson, F., J. (1994). Humus chemistry. Genesis, composition, reactions, John Wiley&Sons, New York.]Search in Google Scholar
[22. Huculak-Mączka, M., Hoffmann, K., Skut, J. & Hoffmann J. (2010). Evaluation of humic substances content in selected raw materials and wastes, Proc. ECOpole, 4/2, 383-387 (in Polish).]Search in Google Scholar
[23. Huculak-Mączka, M., Hoffmann, K. & Hoffmann, J. (2009). The use of selected analytical methods to evaluate the the organic matter content in the fertilizer components, Zesz. Probl. Post. Nauk Rol., 537, 145-151 (in Polish).]Search in Google Scholar
[24. Hoffmann, J. & Hoffmann, K. (2003). Sustainable development in production of fertilizers, Przem. Chem., 82/8-9, 837-939 (in Polish).]Search in Google Scholar
[25. Hoffmann, K., Popławski, D., Huculak-Mączka, M. & Hoffmann, J. (2010). Influence of the fineness on efficiency of obtaining humic acids from lignite, Proc. ECOpole, 4/2, 377-381 (in Polish).]Search in Google Scholar
[26. Huculak-Mączka, M., Hoffmann, K. & Hoffmann, J. (2010). Research on the influence of chemical agents on the properties of selected humic substances, Przem. Chem., 89/4, 396-399 (in Polish).]Search in Google Scholar
[27. Polish Standard PN-Z-15011-3:2001.]Search in Google Scholar
[28. Polish Standard PN-88/C-87105.]Search in Google Scholar
[29. Polish Standard PN-Z-15011-3:2001.]Search in Google Scholar
[30. Polish Standard a PN-Z-93/C-87085.]Search in Google Scholar
[31. Polish Standard PN-80/G-04511.]Search in Google Scholar
[32. Polish Standard PN-80/G-04512.]Search in Google Scholar
[33. Polish Standard PN-81/G-4513.]Search in Google Scholar
