PDM: A Requirements Methodology for Software System Enhancements. - Robert G. Mays; Leonard S. Orzech; William A. Ciarfella; Richard W. Phillips (IBM Syst. J., 1985)

State change architecture: a protocol for executable process models. - Richard W. Phillips (ISPW, 1988)

Practical Technology for Process Assets. - Marc I. Kellner; Richard W. Phillips (ISPW, 1993)

A Programming Process Study. - Ronald A. Radice; John T. Harding; Paul E. Munnis; Richard W. Phillips (IBM Syst. J., 1999)