00283nam a2200097Ia 4500008004100000040002500041082001300066245005100079260004400130300001100174230627s9999    xx            000 0 und d  aNORSU-SiacNORSU-Sia  a.339 B16 0aIntroductory econometrics : with applications   bScience Research Associates, Inc.c1973  a320 p.