TY  - BOOK
AU  - Usinger,Robert L.
AU  - Stebbins,Robert C.
AU  - Nybakken,James W.
TI  - General Zoology
U1  - 591 23
PY  - 1979///
CY  - New Delhi
PB  - McGraw-Hill
KW  - Invertebrates
N1  - Includes index
ER  -