New expression for base transit time in a bipolar transistor for all levels of injection. - M. M. Shahidul Hassan; A. H. Khandoker (Microelectron. Reliab., 2001)

Base transit time of an epitaxial n+pn-n+ bipolar transistor considering Kirk effect. - M. M. Shahidul Hassan (Microelectron. Reliab., 2003)