00307nam a2200109Ia 450000500170000008000180001710000200003524500880005526000220014330000130016558300190017820260716043058.0 a07.10.03 M225 aMaine, Peter D. aAquaculture sector development : a guideline for the preparation of a national plan bFAOaRomeITc1987 av, 21 p. c3/7/00kM2LMGR