@article{JS93,
author = "M. Jerrum and A. Sinclair",
journal = "SIAM Journal on Computing",
pages = "1087-1116",
title = "{P}olynomial-time {A}pproximation {A}lgorithms for the {I}sing {M}odel",
url = "http://www.cs.berkeley.edu/~sinclair/",
volume = "22",
year = "1993",
}