The reproduction and development of sharks, skates, rays and ratfishes / 
editors Leo S. Demski & John P. Wourms 
 - Dordrecht :  Kluwer Academic Publishers ,  1993 
 - 301 p. :  ill. ;  26 cm. 
 - Developments in environmental biology of fishes  14. .
 - Developments in environmental biology of fishes  14. .
<br/><br/>Includes bibliographical references and indexes. 
<br/><br/><label>ISBN: </label>0792325095 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Chondrichthyes--Reproduction.<br/>Chondrichthyes--Developmemt--Congresses.<br/>Embryology--Fishes--Congresses.