=LDR 22 4500 =001 3785 =082 04$a519.5 JOH =100 1\$aJohnston, R. J. =245 10$aMultivariate statistical analysis in geography: a primer on the general linear model =260 \\$aLondon :$bLongman,$c1978 =650 \0$aBooks =852 \\$bFreeman Library$h519.5 JOH