TY  - RPRT
AU  - Food and Agriculture Organization of the United Nations
AU  - Institute of Marine Research
AU  - United Nations Environment Programme
PY  - 1977
SN  - 92-5-100397-1
UR  - https://wedocs.unep.org/handle/20.500.11822/29853
LA  - English
KW  - fish
KW  - aerial survey
KW  - fishing vessel
TI  - Methods of Measuring Stock other than by the Use of Commercial Catch and Effort Data: FAO Fisheries Technical Paper No. 176
M3  - Technical report
ER  -