Johnston, R. J. Multivariate statistical analysis in geography : a primer on the general linear model / by R. J. Johnston. - London : Longman, 1980. - xx, 280 p. : ill., maps. ; 22 cm. Bibl.: p. 272-277. - Index ISBN: 0582300347 Subjects--Topical Terms: Geography--Statistical methods.Multivariate analysis.