Cheetham, Alan H <br/><br/>
A vector approach to size and shape comparisons among zooids in cheilostome bryozoans/ 
Alan H. Cheetham and Douglas M. Lorenz. 
 - Washington:  Smithsonian Institution Press,  1976. 
 - iii, 55 pages:  illustrations ;  26 cm. 
 - Smithsonian contributions to paleobiology  n.29 .
<br/><br/>Bibliography: pages 53-55. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Cheilostomata, Fossil.<br/>Invertebrate populations.<br/>Vector analysis.