000 00507cab a2200193 4500
001 WB2721-12
008 090401t1991 xxu||||| |||| 00| 0 eng d
035 _a(Sirsi) u58390
041 _aeng
245 _aDetection aid for bat lovers
260 _c1991
350 _a0
490 _aTimes
_v28/5/91 p3
520 _aA British wildlife expert has developed a bat detector based on the principle of identifying their calls.
650 _aBATS
690 _aCON
942 _n0
948 _c04/03/1997
999 _c35641
_d35641