Contributions to tropical fisheries biology : papers prepared by the participants at the FAO/DANIDA Follow-up Training Course on Fish Stock Assessment in the Tropics, Hirtals, Denmark, 5-30 May 1986 [and] Manila, Philippines, 12 January - 6 February, 1986 [i.e. 1987] - Venema, S. C.; Christensen, J. M.; Pauly, D. (FAO fisheries report,, 1988)