An introduction to finite projective planes / A. Adrian Albert, Reuben Sandler. Albert, A. Adrian Geometry, Projective. Congruences and residues. [from old catalog] QA554 .B3 516.74 ALA Includes Index. New York : Holt, Rinehart and Winston, c1968. c1968. 1968 Text viii, 98 p. : eng Athena series , selected topics in mathematics.