TY  - BOOK
AU  - Pennak,Robert W.
TI  - Fresh-water invertebrates of the United States
SN  - 0471042498
PY  - 1978///
CY  - New York
PB  - John Wiley & Sons
KW  - Freshwater invertebrates
KW  - United States
N1  - 'A Wiley-Interscience publication.'; Includes bibliographies and index
ER  -