TY  - BOOK
AU  - Berka, R.
TI  - Inland Capture Fisheries of the USSR: FAO Fisheries Technical Paper No.311 (T311)
PY  - 1990///,
CY  - Rome
PB  - Food and Agriculture Organization
UR  - https://books.google.lk/books?id=8nTbj6HyQoEC&printsec=frontcover#v=onepage&q&f=false
ER  -