"Logical" arithmetic on computers with two's complement binary arithmetic. - John R. Ehrman (Commun. ACM, 1968)

Correction to "logical" arithmetric on computers with two's complement binary arithmetic. - John R. Ehrman (Commun. ACM, 1970)

Inferred syntax and semantics of PL/S. - Gio Wiederhold; John R. Ehrman (SIGPLAN Symposium on Languages for System Implementation, 1971)

Program library maintenance and monitoring. - John R. Ehrman (SIGUCCS, 1976)

Architecture and software support in IBM S/390 Parallel Enterprise Servers for IEEE Floating-Point arithmetic. - Paul H. Abbott; David G. Brush; Clarence W. Clark III; Chris J. Crone; John R. Ehrman; Graham W. Ewart; Clark A. Goodrich; Michel Hack; John S. Kapernick; Brian J. Minchau; William C. Shepard; Ronald M. Smith Sr.; et al. (IBM J. Res. Dev., 1999)