Food production systems: Animals and food, microbial interventions 

 - Milton Keynes  Open University Press  1978 
 - 54p. 
<br/><br/><label>ISBN: </label> UKP 3.95 
<br/><br/><label>Source: </label> UKP 3.95 
<br/><br/><label>Dewey Class. No.: </label>641 FOO