Case,James F. and Vernon Estiers <br/><br/>
Biology: observation and concept 

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 - New York - EEUU  MacMillan  1971 
 - 502p.  29cm 
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<br/><br/><label>ISBN: </label>
<br/><br/><label>Subjects--Topical Terms: </label>--Biologia--<br/>Biologia