TY  - BOOK
AU  - Peters Maitland, 
TI  - Biology of Fresh Water Ed 2
U1  - 577 
PY  - 1900///
CY  - Lodon
PB  - Blckie
KW  - GENERAL STACK
KW  - Ecology
KW  - Life sciences; biology
KW  - Natural sciences & mathematicsBotany
ER  -