TY  - BOOK
AU  - Kotpal,R.L.
TI  - Modern text book of zoology vertebrates: for B Sc and B Sc (Hons) classes 
SN  - 8171334369
U1  - 596 21
PY  - 1999///
CY  - New Delhi
PB  - Rastogi Publications
KW  - Vertebrates
KW  - Zoology
N1  - Includes bibliographical references and index
ER  -