TY  - GEN
AU  - Mellanby, Helen
TI  - Animal Life in Fresh Water: A Guide to Fresh-Water Invertebrates
SN  - 0416301908
U1  - 592.176 
PY  - 1938///
CY  - London
PB  - Methuen & Co Ltd
KW  - Freshwater Zoology
KW  - Invertebrates
ER  -