Biology of bryozoans  / 
edited by Robert M. Woollacott, Russel L. Zimmer 
 - New York :  Academic Press,  1977 
 - xvii, 566 p. :  ill. ;  24 cm. 
<br/><br/>Includes bibliographies and index 
<br/><br/><label>ISBN: </label>012763150X 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Bryozoa