Beckmann, M, ed Swamy, P A V B Zurich, Kunzi H P, ed. series Statistical inference in random coefficient regression models - New York Springer - verlag 1971 - viii,209p.; 26cm. - Lecture notes in operations research and mathematical systems . ISBN: 3540056033 Subjects--Topical Terms: EconometricsEconomic modelsMathematical methodsMathematical statisticsRegression modelsStatistical inference