000 00301nam a2200109Ia 4500
008 220510s1970 xx 000 0 und d
041 _aeng
082 _a658.83 DEL/PRI
100 _aDELENS A.H.R.
_9822879
245 _aPRINCIPLES OF MARKET RESEARCH
260 _aLONDON
_b CROSBY LOCKWOOD STAPLES
_c1970
999 _c572282
_d572282