%% -*-BibTeX-*- @Article{Li96, author = "D. D.-F. Liu", title = "{T}-Graphs and the Channel Assignment Problem", journal = "Discrete Mathematics", volume = "161", pages = "197--205", year = "1996", URL = "http://www.sciencedirect.com/science?_ob=ArticleURL&_udi=B6V00-3VTK389-1J&_user=10&_handle=W-WA-A-A-BA-MsSAYWW-UUW-AUVYWCVUBE-BCZAAZAUW-BA-U&_fmt=summary&_coverDate=12%2F05%2F1996&_rdoc=17&_orig=browse&_srch=%23toc%235632%231996%23998389998%2360610!&_cdi=5632&view=c&_acct=C000050221&_version=1&_urlVersion=0&_userid=10&md5=01f4502bb3ed5a057e0f60a7ce7bdf0a", language = "English", }