Bulletin, Chicago Academy of Sciences 

 - CHICAGO, ill. :  CHICAGO ACADEMY OF SCIENCES, 
 - Irregular 
<br/><br/><label>ISSN: </label>0009-3491 
 = Bulletin, Chicago Academy of Sciences 
 = BULL. CHICAGO ACAD. SCI. 
<br/><br/><label>Subjects--Index Terms: </label>CIENCIAS EN GENERAL