000 00323nam a2200121Ia 4500
008 140122s9999 xx 000 0 und d
082 _a519 Beddington
100 _aBeddington J R
245 _aPotential yield of fish stocks FAO fisheries technical paper 242
260 _b
_c1983
700 _aCooke J G
942 _cBK
_2ddc
999 _c4963
_d4963