Ropes, John W <br/><br/>
REPRODUCTIVE CYCLE OF THE SURF CLAM, SPISULA SOLIDISSIMA, IN OFFSHORE NEW JERSEY.  [electronic resource] 

 -  The Biological bulletin  Oct 1968 
 - 349-365 p.  digital 
<br/><br/> Publication Type: Journal Article 
<br/><br/><label>ISSN: </label>1939-8697 
<br/><br/><label>Standard No.: </label>10.2307/1539787  doi