@conference{LK01, author = "M. Leisink and B. Kappen", booktitle = "NIPS 2000. Neural Information Processing System", pages = "266-272", title = "{A} tighter bound for graphical models", url = "http://www.snn.ru.nl/nijmegen/components/com_pubman/pubs/Leisink.NC01.pdf", volume = "13", year = "2001", }