TY  - BOOK
AU  - Perkins,E.J.
TI  - The biology of estuaris and coastal waters 
U1  - 574.92 PER  
PY  - 1974///.
CY  - London : 
PB  - Academic Press, 
KW  - Coastal zone management
KW  - Estuarine biology
KW  - Seashore biology
N1  - Includes index.
ER  -