Defining critical mass :  the case in animal research / 
edited by Doug Daniels and Barry Nestel. 
 - Ottawa :  International Development Research Centre,  c1993. 
 - ix, 61 p. :  ill. ;  22 cm. 
<br/><br/>Includes bibliographical references (p. 57-61). 
<br/><br/><label>ISBN: </label>0889366497 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Livestock--Research.
<br/><br/><label>LC Class. No.: </label>SF 81