000			00332nam a2200133Ia 4500
008			180710s9999 xx 000 0 und d
020			_a50757
082			_a591.59 _bSAL
100			_aSALES, Gillian
245			_aUltrasonic communication by animals
260			_aLondon _bChapmna and Hall _c1974
300			_ax, 281 p.
942			_cS
999			_c90205 _d90205