Jin He Xing Zhang Ganggang Zhang Mansun Chan Yangyuan Wang A Complete Carrier-Based Non-Charge-Sheet Analytic Theory for Nano-Scale Undoped Surrounding-Gate MOSFETs. 115-120 2006 conf/isqed/2006 ISQED http://doi.ieeecomputersociety.org/10.1109/ISQED.2006.8 db/conf/isqed/isqed2006.html#HeZZCW06