@article{d53ce88a42b14be5af9d125f5679de56,
title = "Using Polymorphism to Improve Expert System Maintainability",
author = "John Yen and Juang, \{Hsiao Lei\}",
note = "Funding Information: The research described here was supported by Texas A\&M University{\textquoteright}s Engineering Excellence Fund. Part of the research was conducted at the Information Sciences Institute at the University of Southern California and was supported by DARPA under Contract MDA903-87-C-064 1.",
year = "1991",
month = apr,
doi = "10.1109/64.79709",
language = "English (US)",
volume = "6",
pages = "48--55",
journal = "IEEE Expert-Intelligent Systems and their Applications",
issn = "0885-9000",
publisher = "Institute of Electrical and Electronics Engineers Inc.",
number = "2",
}