000 00403nam a2200169Ia 4500
003 LDD
020 _a0721670636
040 _cLDD
082 _a330.0151 P199 M
100 _aPapps, I V Y
245 0 _aModels and economic theory
_cI V Y Papps
260 _aPhiladelphia
_bW.B. Saunders Company
_c1977
300 _aix,131p.
901 _a325
_b16-03-1996
903 _bGifted by : CCI
942 _2ddc
_cG
999 _c9833
_d9833