A Lower Bound for Treewidth and Its Consequences.

Siddharthan Ramachandramurthi A Lower Bound for Treewidth and Its Consequences. 14-25 1994 conf/wg/1994 WG db/conf/wg/wg94.html#Ramachandramurthi94 http://dx.doi.org/10.1007/3-540-59071-4_34