Work Language Analysis and the Naming Problem. - Barbara Katzenberg; Peter Piela (Commun. ACM, 1993)

An Introduction to the ASCEND Modeling System: Its Language and Interactive Environment. - Peter Piela; Roy McKelvey; Arthur Westerberg (J. Manag. Inf. Syst., 1993)

Formalizing the Semantics of ASCEN. - Hemant K. Bhargava; Ramayya Krishnan; Peter Piela (HICSS (3), 1994)

On Formal Semantics and Analysis of Typed Modeling Languages: An Analysis of Ascend. - Hemant K. Bhargava; Ramayya Krishnan; Peter Piela (INFORMS J. Comput., 1998)