TY  - BOOK
AU  - Usinger, Robert L
AU  - 
TI  - life of rivers and streams
U1  - 591(282) 
PY  - 1967///
CY  - New York
PB  - McGraw-Hill
KW  - Zoology
KW  - Birds
KW  - life of rivers
KW  - life of streams
ER  -