000 00309nam a2200121Ia 4500
008 220201s1973 xx 000 0 eng d
082 _a658.83
_bHUG
100 _aHughes (G.David)
245 0 _aDemand analysis for marketing desion
260 _bGeorge Allen and Unwin Ltd
_c1973
300 _a306
942 _2ddc
999 _c2688
_d2688