Harary, Frank; Norman, Robert Z.; Cartwright, Dorwin Structural models: An introduction to the theory of directed graphs. (English) Zbl 0139.41503 New York-London-Sydney: John Wiley and Sons, Inc. IX, 415 p. (1965). Page: −5 −4 −3 −2 −1 ±0 +1 +2 +3 +4 +5 Show Scanned Page Cited in 1 ReviewCited in 289 Documents Keywords:topology × Cite Format Result Cite Review PDF