Structural models
Subtitle: an introduction to the theory of directed graphs
By: [by] Frank Harary, Robert Z. Norman [and] Dorwin Cartwright.
Contributors: Norman, Robert Z. 1924- joint author.; Cartwright, Dorwin, joint author.
Publisher: Wiley
Published: 1965
Place of publication: New York
Language: eng
Number of pages: 415
Subjects: Social sciences -- Mathematical models.
Notes: Bibliography: p. 392-395.