TY  - BOOK
AU  - Macan, T. T.
TI  - A guide to freshwater invertebrate animals
U1  - 592 
PY  - 1959///
CY  - London
PB  - Longmans
KW  - Invertibrates
KW  - Zoology
KW  - Freshwater Animals
KW  - Animals
ER  -