000			00314nam a2200133Ia 4500
008			160316s1974 xxu||||| |||| 00| 0 eng d
020			_a
100			_aW. Nachtigall
245			_aBiological Mechanisms Of Attachment
250			_a1st
260			_aNEW YORK _bSPRINGER VERLEG _c1974
300			_a194
700			_a _a
999			_c10945 _d10945