00557cam 2200205 450 1934156http://id.bnportugal.gov.pt/bib/porbase/193415620030522022600.00-691-04166-038463PTBN0074153519950206d1972 k y0pory0103 baengUSSay's lawanalytical analysisThomas SowellPrincetonUniversity Presscop. 1972247 p.330.8medpor291789SowellThomas1440751PTBNRPCHDE 231coopUPFEmq862487bccoopUPFE145780PFE8-162