Ciencias biologicas  de las moléculas al hombre 
Claude A. Welch, supervisor ... [et al.] 
 - 13 ed. 
 - México  C.E.C.S.A.  c1984. 
 - 999 p.  ill. 
<br/><br/> Translation of : Biological science 
<br/><br/>Includes bibliographies and index. 
<br/><br/><label>ISBN: </label>9682600006 
<br/><br/><label>LCCN: </label>76373074 /AC/r84 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Biology
<br/><br/><label>LC Class. No.: </label>QH308.7  / .B56 1976 
<br/><br/><label>Dewey Class. No.: </label>574