A Theoretical Analysis of Telephone Dial Pulse Signaling. - Stefan J. Michalak; William J. Older; Godfrey W. Muehle (IEEE Trans. Commun., 1972)

The Felix File System. - Marek Fridrich; William J. Older (SOSP, 1981)

HELIX: The Architecture of a Distributed File System. - Marek Fridrich; William J. Older (ICDCS, 1984)

Helix: The Architecture of the XMS Distributed File system. - Marek Fridrich; William J. Older (IEEE Softw., 1985)

Constraint Arithmetic on Real Intervals. - William J. Older; André Vellino (WCLP, 1991)

An Incremental Garbage Collector for WAM-Based Prolog. - William J. Older; John A. Rummell (JICSLP, 1992)

Programming in CLP(BNR). - William J. Older; Frédéric Benhamou (PPCP, 1993)

CLP (intervals). - William J. Older (ACM Comput. Surv., 1996)

Involution Narrowing Algebra. - William J. Older (Constraints An Int. J., 1997)

Applying Interval Arithmetic to Real, Integer, and Boolean Constraints. - Frédéric Benhamou; William J. Older (J. Log. Program., 1997)

Solving Linear, Min and Max Constraint Systems Using CLP Based on Relational Interval Arithmetic. - Pierre Girodias; Eduard Cerny; William J. Older (Theor. Comput. Sci., 1997)