%0 Journal Article %A I. Francis %T Factor analysis. Fact or fabrication %J Mathematica Applicanda %D 1978 %P 91-117 %V 6 %N 12 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.14708/ma.v6i12.1323/ %R 10.14708/ma.v6i12.1323 %G pl %F 10_14708_ma_v6i12_1323