00290nam a2200121Ia 45000030006000000080041000060400015000471000016000622450039000782600022001175460012001390050017001510STCL150530s9999 xx 000 0 und d aSTCLcSTCL aPatel, P.V. aInvestment and speculation a study bPatel, P.V.c1960 aEnglish20220125165526.0