Dots and lines
Trudeau, Richard J.
Dots and lines - - n.p. Kent State University Press, 1976 - 203 p. 21 cm - .
0-873389
Graph theory
518.4 Tru
Dots and lines - - n.p. Kent State University Press, 1976 - 203 p. 21 cm - .
0-873389
Graph theory
518.4 Tru