512.57
G674F
           Gorsuch, Richard L
               Factor analysis \ Richard L Gorsuch - Philadelphia : W B Saunders, 1974.
               xv, 370p. - Sunders book in psychology/ ed by Robert D Singer .
                ISBN: 0-7216-4170-9

87871
                Subjects: Algebra; Factors (Algebra); Matrices; Geometrical models.