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	[книга]
	Symposium Biological Data in Water Pollution Assessment  : Quantitative and Statistical Analyses : Minneapolis. 20-21 June 1977 / Ed. K. L. Dickson, John Cairns, R. L. Livingston
:	Biological Data in Water Pollution Assessment: Quantitative and Statistical Analyses    Dickson, K. L.    Cairns, John    Livingston, R. L.
	2. ed
	Philadelphia : ASTM American Society for Testing and Materials
	1982
	184 p. ; 23 cm
	Incl. ind
ISBN:
	502+543.3
	Вода - опазване Природа - опазване

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	C159587
	1991012510
	Само за читални зали

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