relation: https://pure.iiasa.ac.at/id/eprint/14147/
title: Mixed qualitative calculus and economic modeling
creator: Brouwer, F.
creator: Nijkamp, P.
creator: Voogd, H.
publisher: Gordon and Breach Science Publishers, Inc
date: 1987
type: Article
type: PeerReviewed
identifier:   Brouwer, F. <https://pure.iiasa.ac.at/view/iiasa/1765.html>, Nijkamp, P. <https://pure.iiasa.ac.at/view/iiasa/2236.html>, & Voogd, H. <https://pure.iiasa.ac.at/view/iiasa/2487.html>  (1987).  Mixed qualitative calculus and economic modeling.   Systems Analysis Modelling Simulation 4 (5) 399-408.       
relation: http://hdl.handle.net/11370/340c68dc-6e82-4ccf-86cc-f35c0db7cd85