The occurrence and activities of certain bacterial groups in off-shore marine environments of gulf of Mannar off Tuticorin / 
by R. Venkataraman [and] A. Sreenivasan 
 - Madras :  Director of Industries and Commerce,  1957 
 - 367 p. ;  25 cm. 
<br/><br/>Includes bibliographical references and index 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Biology<br/>Botany