TY - RPRT CY - IIASA, Laxenburg, Austria ID - iiasa4979 UR - https://pure.iiasa.ac.at/id/eprint/4979/ A1 - di Primio, J.C. Y1 - 1996/06// PB - WP-96-047 M1 - working_paper TI - Monitoring and Verification in the European Air Pollution Regime AV - public EP - 80 ER -