00699nam 22002173 4500 183736 1-55963-502-9 183736 20141203d u||y0frey50 ba eng US ||||||||||||| Ecosystem management in the United States an assessment of current experience Steven L. Yaffee, Ali F. Phillips, Irene C. Frenz... Washington Island Press 1996 352 p. Management ecologic încl. Mediul înconjurător, management 38066 504.06(73)=111 51995 Yaffee Steven L. 51996 Phillips Ali F. 51997 Frentz Irene C. BK 15 0 0 2014-11-25 392201 SC CZ LS SC14120106 150.00 ML SC86486 504.06 E15 2017-09-12 0 BK 150.00 2017-10-30