Some properties of APL programs. - Harry J. Saal; Zvi Weiss (APL, 1975)

An Empirical Study of APL Programs. - Harry J. Saal; Zvi Weiss (Comput. Lang., 1977)

An adaptive APL machine. - Zvi Weiss (1978)

A software high performance APL interpreter. - Harry J. Saal; Zvi Weiss (APL, 1979)

Compile time syntax analysis of APL programs. - Zvi Weiss; Harry J. Saal (APL, 1981)

Partial Compilation of REXX. - Ron Y. Pinter; Pnina Vortman; Zvi Weiss (IBM Syst. J., 1991)