@conference{771726, author = {David Flater and Edward Barkmeyer Jr. and Evan Wallace}, title = {Towards Unambiguous Specifications: Five Alternative Job Control Models for An Object-Oriented, Hierarchical Shop Control System}, year = {1999}, month = {1999-09-01 00:09:00}, publisher = {In Proceedings of the 1999 ASME Design Engineering Technical Conferences, Las Vegas, NV, USA}, language = {en}, }