Ryland, J. S. <br/><br/>
Bryozoans / 
J.S. Ryland. 
 - London :  Hutchinson University Library,  1970. 
 - 175 p. :  ill. ;  22 cm. 
 - Hutchinson university library. Biological sciences .
 - Hutchinson university library. .
<br/><br/>Includes index. 
<br/><br/><label>ISBN: </label>0091038707 0091038715 (pbk.) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Bryozoa.<br/>Bryozoa, Fossil.
<br/><br/><label>Dewey Class. No.: </label>594.7  / RYB 1970