000
00255nam a2200109Ia 4500
008
140122s9999 xx 000 0 und d
082
_a
530
100
_a
Azhava V G
245
_a
Fish location by hydroacoustic devices
260
_b
_c
1967
942
_c
BK
_2
ddc
999
_c
1235
_d
1235