George Wald ... [et al.]
Addison-Wesley, 1966
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Mader, Sylvia S., author
McGraw-HIll, 1996
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by Robert J. Brooker ... [and others]
McGraw-Hill, 2008
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Raven, Peter H., author
WCB, McGraw-Hill, 1996
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by Eldra Pearl Solomon [and others]
Saunders College , 1993
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