Reservoirs of Sri Lanka and their fisheries
Desilva, S.S.
Reservoirs of Sri Lanka and their fisheries - Rome 1988 - 128 p. - No. 298; FAO Fisheries Technic .
639.2(548.7)
Reservoirs of Sri Lanka and their fisheries - Rome 1988 - 128 p. - No. 298; FAO Fisheries Technic .
639.2(548.7)