Kang, M. <https://pure.iiasa.ac.at/view/iiasa/1359.html> & Stam, A. <https://pure.iiasa.ac.at/view/iiasa/1588.html>  (1994).  PAHAP: A Pairwise Aggregated Hierarchical Analysis of Ratio-Scale Preferences.   IIASA Research Report (Reprint). IIASA, Laxenburg, Austria: RR-95-006. Reprinted from Decision Sciences, 25(4) [July-August 1994].