Angela Krstic Jing-Jia Liou Kwang-Ting Cheng Li-C. Wang On Structural vs. Functional Testing for Delay Faults. 438-441 2003 conf/isqed/2003 ISQED http://csdl.computer.org/comp/proceedings/isqed/2003/1881/00/18810438abs.htm db/conf/isqed/isqed2003.html#KrsticLCW03