BIBLIOGRAPHY

 
                                           

 

 

 

 

 

 

 

 

 

 

 

 
 
 
 
 
 
 
 
 
   
   
Director, ENVIS Centre on Marine and Marine Offshore  Ecosystem, Department of Geology, University of Kerala, Kariavattom PO, Thiruvananthapuram 695 581.  Ph. +91 471 2418403  e-mail : dguk@envis.nic.in
Envis Portal | University of Kerala