Crew, F. A. E. <br/><br/>
Sex determination 
F. A. E. Crew 
 - 4th ed. 
 - London  Methuen  1965 
 - viii,188p.:ill.; 19cm.- 
 - Methuen's monographs on biological subjects .
<br/><br/><label>Dewey Class. No.: </label>574.36  / CRE