Linear geometry, by K. W. Gruenberg and A. J. Weir. Gruenberg, Karl W. Weir, Alan J., joint author. Geometry, Algebraic. Algebras, Linear. QA564 .G72 1967 512.897 GRL Princeton, N.J., Van Nostrand 1967 1967 1967 Text viii, 186 p. eng The University series in undergraduate mathematics