TY  - BOOK
AU  - Forbes  S.T.
TI  - Manual of methods for fisheries resource survey and appraisal : part 2.the use of acoustic instruments for fish detection and abundance estimation
U1  - 639.2 
PY  - 1972///
CY  - ROME
PB  - FOOD AND AGRICULTURE ORGANIZAT
KW  - Manual of methods for fisheries resource survey and appraisal : part 2.the use of acoustic instruments for fish detection and abundance estimation
ER  -