000			00342nam a2200133Ia 4500
008			151015s9999 xx 000 0 und d
020			_a9251013276
100			_aBurczynski, J. ; Ben-Yami, M
245			_aFinding fish with echo-sounders
260			_c1985
300			_avii 97p.
500			_aFAO training series no - 7
942			_cFAO _2udc
999			_c24526 _d24526