00531nam a2200157Ia 4500008004100000082002100041100001900062245006600081260003600147300001400183600001800197650003300215942000700248952010100255999001700356140224s9999    xx            000 0 und d  a639.34:330.19 M1  aShang, Yung C.  aAquaculture economics; basic concepts and methods of analysis  aBoulderbWestview Presscc 1981  axvi,153p.  aYung C. Shang  aAquaculture-Economic aspects  cBK  00104070aKSDbKSDd2014-02-24l0o639.34:330.19 M1p2945r2014-02-24 00:00:00w2014-02-24yBK  c91738d91738