TY - GEN AU - United Nations Environment Programme PY - 2003 SN - 92-807-2311-1 UR - https://wedocs.unep.org/handle/20.500.11822/8375 LA - Russian PB - United Nations Environment Programme TI - Planning, designing and implementing policies to control ozone depleting substances under the Montreal Protocol: a handbook of policy setting at the national level M3 - Technical guideline ER -