Iri, Masao. Network flow, transportation, and scheduling; theory and algorithms. - New York, Academic Press, 1969. - x, 316 p. illus. 24 cm. - Mathematics in science and engineering, v. 57 . index , pag 311 eng LCCN: 69013483 Subjects--Topical Terms: Network analysis (Planning)Programming (Mathematics) LC Class. No.: T57.85 Dewey Class. No.: 620