TY  - BOOK
AU  - Ricker W.E.
TI  - Methods for Assessment of Fish Production in Fresh Waters: IBP Handbook No-3
SN  - 0-632-08490-1
U1  - 571.817028 RIC 
PY  - 1915///
CY  - USA
PB  - F.A.Davis Co.
ER  -