1 - Graph theory : proceedings of the Eighth Yugoslav Seminar on Graph Theory, Novi Sad, April 17-18, 1987
Tosic, Ratho (Ed.)   /   Petrovic, V. (Ed.)   /   Acketa, D . (Ed.)   /   Doroslovacki, R. (Ed.)

Cote : [08.7 TOS 89-8]

2 - Graph theory : proceedings of the Fourth Yugoslav seminar on graph theory Novi Sad, April 15-16, 1983
Cvetković, Dragoš (Ed.)   /   Pisanski, T. (Ed.)   /   Gutman, I. (Ed.)   /   Tosic, R. (Ed.)

Cote : [08.7 CVE 84-4]