TY  - BOOK
AU  - El-Zarka, S
AU  - El-Maghraby, A.M
AU  - Abdel-Hamid, Kh
TI  - Studies and Reviews : General Fisheries Council for the Mediterranean No.46
PY  - 1970///,
CY  - Rome
PB  - Food and Agriculture Organization of the United Nations
ER  -