The Biology of the Blastocyst  edited by R.J. Blandau. 

 - London  University Chicago Press  [19 
 - 0-226-05670-8. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Placenta Blastula. 
<br/><br/><label>Dewey Class. No.: </label>591.3  / B61B