Harary, Frank.
Structural models: an introduction to the theory of directed graphs [by] Frank Harary, Robert Z. Norman [and] Dorwin Cartwright. - New York, Wiley [1965] - ix, 415 p. illus. 24 cm.
Bibliography: p. 392-395.
65012710
GB66-232
Social sciences--Mathematical models.
H61 / .H287
311.26 / HAS
Structural models: an introduction to the theory of directed graphs [by] Frank Harary, Robert Z. Norman [and] Dorwin Cartwright. - New York, Wiley [1965] - ix, 415 p. illus. 24 cm.
Bibliography: p. 392-395.
65012710
GB66-232
Social sciences--Mathematical models.
H61 / .H287
311.26 / HAS