Boden, H. <https://pure.iiasa.ac.at/view/iiasa/1738.html> & Grauer, M. <https://pure.iiasa.ac.at/view/iiasa/1921.html>  (1994).  OpTiX-II: A Software Environment for MCDM based on Distributed and Parallel Computing.   IIASA Working Paper. IIASA, Laxenburg, Austria: WP-94-054