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Biotechnology & Biotechnological Equipment Volume 23, 2009 - Issue sup1: XI ANNIVERSARY SCIENTIFIC CONFERENCE
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Original Articles

Ecological Characteristics of the Iskar River Catchment

L. KenderovSofia University “St. Kliment Ohridski”, Faculty of Biology, Department of General and Applied Hydrobiology, Sofia, BulgariaCorrespondence[email protected]
&
I. YanevaSofia University “St. Kliment Ohridski”, Faculty of Biology, Department of General and Applied Hydrobiology, Sofia, Bulgaria
Pages 276-280 | Published online: 15 Apr 2014

REFERENCES

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  • MEW (1986) Regulation 7. Indices and standards for determination of the admissible pollution rate of the different categories running surface waters. OJ. 96/1986
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  • Parvanov D., Topalova Y. and Kenderov L. (2008) Ecological engineering and environmental protection, 4, 4–11.
  • Parvanov D., Topalova Y. and Yaneva I. (2007) Ecological engineering and Environmental protection, 6(1), 21–30.
  • Pielou E. (1966) Journal of Theorethical Biology, 10(6), 370–383.
  • Russev B. (ed.). (1994) Limnology of Bulgarian Danube tributaries. Book Tiger, 255 pp. (in Bulgarian).
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  • Simpson E. (1949) Nature, 163, 688.
  • Vassilev Y. and Uzunov Y. (2004) Acta Zoologica Bulgarica, 56(1), 93–103.

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