000 00544nam a2200193Ia 4500
008 131223s9999 xx 000 0 und d
040 _aISI KOLKATA
041 _aEnglish
082 _a330.72
_bIn39
100 _aBhattacharya N
110 _aIndian Statistical Institute. Research and Training School
245 _aAverage elasticity of variable elasticity engel curve
260 _aCalcutta
_bISI
_c1973
440 _aISI:technical reports; no.2
650 _aElasticity
650 _aEngel curve
650 _aVariable
942 _cBK
999 _c83255
_d83255