000 00390nam a2200145Ia 4500
008 130223s9999 xx 000 0 und d
100 _aDerrick, F.W., Wolken, J.D.
245 _aConsumer demand functions : Cross-sectional approach
260 _aMaryland
260 _c1981
300 _a0.791666667
440 _aNo. 965; Maryland Agricultural
901 _pS34884
942 _cB
_2udc
999 _c118657
_d118657