00411nam a2200157Ia 450000500170000000800460001703700120006304000200007504100130009508400220010810000240013024500220015426000490017630000140022565000140023920250508151148.0008  250505s9999    xx            000 0 eng d  aTextual  aFEDLbengcFEDL  aeng2eng  a338.52, HENqFEDL  aHenderson Hubert D. 0aSupply and demond  aLondon, UKbNisbet and Company Limitedc1947  axiv,177p.  aEconomics