TY  - BOOK
AU  - Alverson, Dayton.L
TI  - Field Surveys and the Survey and Charting of Resources: FAO (IOFC/DEV/71/6)
PY  - 1971///,
CY  - Rome
PB  - Food and Agriculture Organization
KW  - Seine Nets
UR  - http://www.fao.org/3/a-b2355e.pdf
ER  -