REFERENCES
- BSS 17.1.4.02–77 (1978) Sofia, Bulgaria.
- BSS 17.1.4.04–80 (T 58) (1981) Sofia, Bulgaria.
- Karamanev D., Nikolov L. (1988) Biotechnol. Bioeng., 31, 295–299.
- Mamatarkova V. (2009) Biotechnol. Biotech. Eq., 23(2), 909–913.
- Nikolov L. (2008) PROCEEDINGS of the International Conference “Automatics and Informatics” '08, John Atanassov celebration days, Sofia, Bulgaria, Oct. 1–4, II-1–4.
- Nikolov L., Mamatarkova V. (2005) Ecol. Eng. Environ. Protect., 3–4, 16–31.
- Nikolov L., Mamatarkova V. (2009) In: Proceeding of 11th National Congress on Theoretical and Applied Mechanics (E. Manoach, M. Datcheva, N. Pesheva, Eds.), Institute of Mechanics, ISSN 1313–9665.
- Nikolov L., Simeonov I., Karakashev D., Chorukova E., Galabova D. (2004) Ecol. Eng. Envir. Protect., 3, 42–52.
- Nikolov L., Simeonov I., Mamatarkova V., Mirkov A., Marinov R., Chorukova E., Mihajlova S. (2010) Request for patent 110699/05.07.2010.
- Ripley L.E., Boyle W.C., Converse J. C. (1986) Journal WPSF, 58(5), 406–411.
- Simenonov I., ChoruKova E., Mamatarkova V., Nikolov L. (2010) Biotechnol. Biotech. Eq., Special Edition/OnLine, 24, 558–566.