00552nam a2200205Ia 4500 CTU_69209 210402s9999 xx 000 0 und d 110 574.5 L158 Laevastu, Taivo Exploitable marine ecosystems : Their behavior and management Taivo Laevastu London Fishing News Books 1996 Fishery management Trúc Phương Trung tâm Học liệu Trường Đại học Cần Thơ