[Pawłowa, M. (1995). Ecological aspects of hide processing and leather waste, Radom: Wyd. ITeE. (in Polish).]Search in Google Scholar
[[Online] http://www.inece.org/mmcourse/chapt5.pdf]Search in Google Scholar
[Domański, W. & Surgiewicz, J. (2001). Chemical hazards in the tanning process, Bezpieczeństwo pracy - Nauka i Praktyka 4, 6-9. (in Polish).]Search in Google Scholar
[Urbaniak, M. (2004). Processing of mixtures containing chromium-free tannery wastes, Acta Sci. Pol., Technica Agraria 3, 57-68.]Search in Google Scholar
[Fela, K., Kowalski, Z. & Wieczorek-Ciurowa, K. (2000). Thermal pretreatment of chromic tannery waste in aspekt of its utilization in sodium chromate production process. Czasop. Techn. Politechniki Krakowskiej: Wyd. PK, 3Ch, 70-76. (in Polish).]Search in Google Scholar
[Klepaczewski, K. (2004). Ecological successes and dilemmas. Przegląd Włókienniczy - Włókno, Odzież, Skóra 8, 855-56. (in Polish).]Search in Google Scholar
[Taborski, W., Kowalski, Z., Wzorek, Z., Konopka, M. & Chojnacki, K. (2005). Thermal utilization of leather scrap after chrome tanning. Journal of American Leather Chemist Association 100, 344-353.]Search in Google Scholar
[Kowalski, Z., Fela, K. & Wieczorek-Ciurowa, K. (2000). Chromic waste characterization in therms of its suitability for sodium chromate production. II Międzynarodowa Konf. "Ekologia Wyrobów", 17-18.05.2000 (pp. 480-489). Kraków, Poland: Wyd. AE. (in Polish).]Search in Google Scholar
[Kowalski, Z., Konopka, M., Kulczyka, J. & Góralczyk, M. (2005). Utilization of ashes after thermal treatment of tanning industry waste. Monografie Komitetu Inżynierii Środowiska PAN, vol. 32, Lublin (pp. 1147-1155). (in Polish).]Search in Google Scholar
