Verrinder, A. <br/><br/>
Biology / 
by A. Verrinder 
 - Oxford :  Pergamon Press,  1966 
 - xv :  ill. ;  20 cm. 
 - Commonwealth and international library .
<br/><br/> Pergamon programmed texts 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Biology--Programmed instruction<br/>Euglena<br/>Paramecium<br/>Microorganisms
<br/><br/><label>Dewey Class. No.: </label>574.077