TY  - BOOK
AU  - x, x
AU  - Ricker,W.E.
TI  - Methods for assessment of fish production in fresh water: x
SN  - 0632084901
U1  - 639.7/M592 
PY  - 1971///
CY  - Oxford
PB  - Black well scientific Pub.
KW  - Fish culture
N1  - Includes
ER  -