@techreport{RISC1929,author = {Jeffrey Tsai and Thomas Weigert and H.C. Jang},
title = {{A Hybrid Knowledge Representation as a Basis of Requirement Specification and Reasoning}},
number = {90-64},
year = {1990},
note = {Published in Proc. 2nd IEEE Int. Conf. on Tools for Aritificial Intelligence, 1990},
type = {RISC Report Series},
institution = {Research Institute for Symbolic Computation (RISC), Johannes Kepler University Linz},
address = {Altenberger Straße 69, 4040 Linz, Austria},
issn = {2791-4267 (online)}
}