TY  - BOOK
AU  - Robertson, Neil
AU  - Seymour, Paul D.
TI  - Graph structure theory: proceedings of the AMS-IMS-SIAM Joint Summer Research Conference on Graph Minors, held June 22 to July 5, 1991,
SN  - 0821851608
CY  - Providence, R.I.
KW  - Graph theory
KW  - Congresses
N1  - Conference held with support from the National Science Foundation and the Office of Naval Research
ER  -