Calnan, Thomas R. <br/><br/>
Molluscan distribution in Copano Bay, Texas / 
Thomas R. Calnan. 
 - Austin :  The University of Texas,  1980. 
 - 69 p. :  ill. ;  28 cm. 
 - Report of investigations ;  no. 103 .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Molluscs.