TY - CHAP A1 - Godsil, Chris A1 - Grötschel, Martin A1 - Welsh, Dominic ED - Graham, Ronald ED - Grötschel, Martin ED - Lovász, Lászlo T1 - Combinatorics in Statistical Physics T2 - Handbook of combinatorics, Volume II, Part IV Y1 - 1995 SP - 1925 EP - 1954 PB - Elsevier (North-Holland) CY - Amsterdam ER -