TY  - BOOK
AU  - Mellanby ,Helen 
TI  - Animal Life in Fresh Water: A Guide to Fresh -Water Invertebrates
SN  - 0412213605
U1  - 592	 
PY  - 1963///
CY  - London
PB  - Chapman and Hall
KW  - Freshwater animals	
KW  - Great Britain	
KW  - Invertebrates	
KW  - Freshwater invertebrates	
ER  -