TY - RPRT CY - IIASA, Laxenburg, Austria ID - iiasa4873 UR - https://pure.iiasa.ac.at/id/eprint/4873/ A1 - Novy, M. Y1 - 1996/12// PB - WP-96-155 M1 - working_paper TI - International Actions to Combat Pollution in the Black Triangle and Katowice Regions AV - public EP - 28 ER -