The Flexent® packet core access platform for CDMA2000* packet data. - Christopher J. Davolos; Subhasis Laha; Stinson S. Mathai; Albert J. Sawyer; Jin Wang (Bell Labs Tech. J., 2002)

Alternative backhaul transport techniques for VoIP and PTT in 1x Ev-Do. - Michael J. Lemke; Albert J. Sawyer (Bell Labs Tech. J., 2007)