000 00309nam a2200109Ia 4500
008 140122s9999 xx 000 0 und d
082 _a519 Saville A
100 _aSaville A
245 _aSurvey methods of appraising fishery resources FAO fisherries tech. Paper No. 171
260 _b
_c1977
942 _cBK
_2ddc
999 _c3636
_d3636