000 003460000a22001450004500
008 140223b1950 xxu||||| |||| 00| 0 eng d
041 _aeng
080 _aX:51 J0
082 _aX:51 J0
100 _aDelens A H R
245 _aPrinciples of market research
260 _aLondon
_bLockwood
_c1950
650 _aEconomics
650 _aMarketing
999 _c239459
_d239459