TY  - BOOK
AU  - Ovenden,A.E.
ED  - Food and Agriculture Organization of the United Nations (Rome)
TI  - Costs and earnings investigations of primary fishing enterprises: a study of concepts and definitions 
U1  - 338.37 
PY  - 1961///
CY  - Rome
PB  - Food and Agriculture Organization of the United Nations
KW  - Fisheries
KW  - Economic aspects
ER  -