Cooper, J.I.
Viruses and the environment
Chapman and Hall, 1984
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Conrat, Heinz Fraenkel
Design and function at the threhold of life : the viruses/Heinz Frankel Conrat
Academic Press, 1962
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Mader, Sylvia S.
Biology
McGraw-HIll, 1996
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Mader, Sylvia S.
Biology
McGraw-HIll, 2001
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Biology
by Robert J. Brooker ... [and others]
McGraw-Hill, 2008
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