000 00282nam a2200121Ia 4500
008 161121s9999 xx 000 0 und d
100 _aSHANG (YUNG.C)
245 0 _aAquaculture economics: Basic concepts an
260 _cCroom - helm
365 _b0
650 _aNIL
942 _cBK
999 _c90505
_d90505