TY  - BOOK
AU  - Norris M. Ross, Ronald J. Wright
AU  - Postlewait, S.N.
TI  - Methods of Investigation
SN  - 0-7216-6376-1
U1  - 570 
PY  - 1976///
CY  - Philadelphia
PB  - W.B. Saunders Company
KW  - Biology
ER  -