Models for analysis of packet voice communications systems. - John N. Daigle; Joseph D. Langford (IEEE J. Sel. Areas Commun., 1986)

Queueing analysis of an optical disk based office system. - John N. Daigle; Robert B. Kuehl; Joseph D. Langford (INFOCOM, 1988)

Queuing Analysis of an Optical Disk Jukebox Based Office System. - John N. Daigle; Robert B. Kuehl; Joseph D. Langford (IEEE Trans. Computers, 1990)