[1. Bogdanova, G., T. Todorov, N. Noev. Creating and Representing Semantic Knowledge of Bell Objects. – International Journal of Applied Engineering Research, Vol. 12, 2017, No 19, Research India Publications, pp. 8986-8994.]Search in Google Scholar
[2. Bogdanova, G., T. Todorov, N. Noev. Digitalization and Security of “Bulgarian Folklore Heritage” Archive. – In: Proc. of 11th International Conference on Computer Systems and Technology, 2010.10.1145/1839379.1839438]Search in Google Scholar
[3. Bogdanova, G., T. Todorov, V. Todorov. QPlus – Computer Package for Coding Theory Research and Education. – International Journal of Computer Mathematics, Vol. 88, 2011, No 3, Taylor and Francis, pp. 443-451.10.1080/00207161003611887]Search in Google Scholar
[4. Berger., T., T. Todorov. Improving the Watermarking Process with Usage of Block Error-Correcting Codes. – Serdica Journal of Computing, Vol. 2, 2008, pp. 163-180.]Search in Google Scholar
[5. Brassil, J., S. Low, N. Maxemchuk, L. O. Gorman. Hiding Information in Document Images. – In: Proc. of 29th Annual Conference on Information Sciences and Systems, 1995, pp. 482-489.]Search in Google Scholar
[6. Cox, I., J. Kilian, T. Leighton, G. Shamoon. Secure Spread Spectrum Water-Marking for Multimedia. – IEEE Transactions on Image Processing, Vol. 6, 1997, No 12, pp. 1673-1687.10.1109/83.65012018285237]Open DOISearch in Google Scholar
[7. Kutter, M., et al. Digital Signature of Color Images Using Amplitude Modulation. – J. Electron. Imaging, Vol. 7, 1998, No 2, pp. 326-332.10.1117/1.482648]Search in Google Scholar
[8. Liu, V., L. Shrum. A Dual-Process Model of Interactivity Effects. – Journal of Advertising, Vol. 38, 2009, No 2, pp. 53-68.10.2753/JOA0091-3367380204]Search in Google Scholar
[9. Rafaeli, S. Interactivity. From New Media to Communication. – In: Robert P. Hawkins, John M. Wiemann, Suzanne Pingree, Eds. Advancing Communication Science: Merging Mass and Interpersonal Processes, Newbury Park, 1988.]Search in Google Scholar
[10. ID3 Tags. http://id3.org]Search in Google Scholar