Allen, Robert D. <br/><br/>
Biology  a critical thinking approach 
Robert D. Allen 
 - Dubuque, Iowa  William C. Brown Publishers  1995 
 - xvii, 298 p. : ill. ; 28 cm. 
<br/><br/><label>ISBN: </label>0697147495  RM109.49 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Biology--Study and teaching