00313nam a2200133Ia 45000030006000000080041000060400015000471000040000622450029001022500010001312600009001415460012001500050017001620STCL150530s9999    xx            000 0 und d  aSTCLcSTCL  aSatyendra Nath Sen; Sisir Kumar Das  aOutlines of price theory  aFirst  c1962  aEnglish20220125165611.0