Comparative physiology 
Open university 
 - Bletchley Bucks:  Open University Press,  1972. 
 - Various pages 
<br/><br/> PB 
<br/><br/><br/>Eng 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Physiology- Comparative
<br/><br/><label>Dewey Class. No.: </label>574.1  / OPC