TY  - BOOK
AU  - Macan, T. T.
TI  - A guide to freshwater invertebrate animals
SN  - 058232274X
AV  - QL141 .M3
U1  - 574.929 
PY  - 1959///
CY  - London
PB  - Longmans
KW  - Freshwater invertebrates
KW  - Great Britain
N1  - Includes bibliographical references and index
ER  -