TY  - BOOK
TI  - Graphs Hypergraphs and Block Systems. Proceedings of the Symposium on Combinatorial Analysis held in Zielona Góra, September 1976
PY  - 1976///
CY  - Zielona Góra
PB  - [Wyż, Szk. Inż.]
UR  - http://koha.tu.koszalin.pl/cgi-bin/koha/opac-detail.pl?biblionumber=17117
ER  -