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Weighted ridge regression : combining ridge and robust regression methods
Holland, Paul W., (1973)
Principal components application to regression models (a computer program)
Khorshid, Motaz, (1982)
Methods of correlation and regression analysis : linear and curvilinear
Ezekiel, Mordecai, (1959)
Leif Johansen : 1930 - 1982
Johansen, Leif, (2000)
Collected works of Leif Johansen
Johansen, Leif,
(1987). - XIII, 438 S.