000 00390nam a2200145Ia 4500
008 170324s9999 xx 000 0 und d
082 _a620.2
100 _a"Burczynski, J."
245 0 _aFinding fish with echo-sounders
260 _b"Food and Agricultural Organization of the United Nations,"
260 _c1985
365 _b0.00
520 _aProceedings............1971
942 _cBK
999 _c4447
_d4447