000 00364nam a2200109Ia 45e0
008 181001s1968 xx 000 0 und d
100 _aRobert katz
245 3 _aAn Introduction to the sp. Theory of Relationship
260 _aN.Y.
_bYan Nostrand N.Y.
_c1968
300 _a132
942 _2ddc
_cBK
999 _c529
_d529