TY - RPRT CY - IIASA, Laxenburg, Austria ID - iiasa4096 UR - https://pure.iiasa.ac.at/id/eprint/4096/ A1 - Greene, O.J. Y1 - 1994/11// PB - WP-94-116 M1 - working_paper TI - On Verifiability, and How It Could Matter for International Environmental Agreements AV - public EP - 44 ER -