Changes in the average weight and catch per unit effort of Tunas taken from Papua New Guinea waters /
Watson, R. A.
Changes in the average weight and catch per unit effort of Tunas taken from Papua New Guinea waters / R. A. Watson. - Port Moresby : Fisheries Research & Surveys Branch, Dept. of Primary Industry, 1984. - 35 leaves. - Report ; no. 84-03. .
Tuna fisheries--Papua New Guinea.
Changes in the average weight and catch per unit effort of Tunas taken from Papua New Guinea waters / R. A. Watson. - Port Moresby : Fisheries Research & Surveys Branch, Dept. of Primary Industry, 1984. - 35 leaves. - Report ; no. 84-03. .
Tuna fisheries--Papua New Guinea.