Graphs, models, and finite mathematics / by Joseph Malkevitch and Walter Meyer. Malkevitch, Joseph, 1942- Meyer, Walter J. (Walter Joseph), 1943- joint author. Mathematics. Graph theory. Mathematical models. 510 MAG Includes bibliographies. Englewood Cliffs, N.J., : Prentice-Hall, 1974. 1974. 1973 Text x, 515 p. eng