TY  - BOOK
AU  - Sparre, Johan Per
TI  - Manual on sample-based data collection for fisheries assessment : FAO Fisheries Technical Paper No.398 (T398)
PY  - 2000///,
CY  - Rome
PB  - Food and Agriculture Organization
UR  - http://www.fao.org/3/X8923E/X8923E00.htm
ER  -