00306nam a2200109 a 450000500170000002000150001708200200003210000310005224500460008326000450012930000220017420251203090728.0  a0039105148  a519.502433bSCH  aSchofield,Norman [et...al]  aAdvanced statistical methods in economics  aLondonbHolt, Rinehart and Winstonc1986  ax, 234p. 24cm. HB