Bernstein Ruth, Bernstein Stephen <br/><br/>
Schaumm's three thousand solved problems in biology 
Ruth Bernstein, Stephen Bernstein  
 - New york  McGraw-Hill  1988 
 - ix, 406p.:  ill, Pbk.; 
<br/><br/><label>ISBN: </label>0070050228 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Biology--exercises--problems