Teacher's guide for biological science molecules to man  the Biological Science Curriculum Study (BSCS) Blue Version 
Claude A. Welch... (et al.) 
 - 3rd edition 
 - Boston  Houghton Mifflin  1973 
 - 275p. ill. 28cm. 
<br/><br/><label>ISBN: </label>0395218233 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Biology