William Etkin <br/><br/>
Metamorphosis : A problem in developmental biology 

 - Amsterdam  North-Holland Publishing Co  1968 
 - 459p 
<br/><br/>William Etkin & Lawrence  I. Gilbert: Metamorphosis : A problem in developmental biology.  Amsterdam.  North-Holland Publishing Co, 1968.--(591.34ETK)   
<br/><br/><br/>ENGLISH 
<br/><br/><label>Dewey Class. No.: </label>591.34  / ETK