TY - GEN AU - United Nations Environment Programme AU - Russian Federation PY - 1993 UR - https://wedocs.unep.org/handle/20.500.11822/30827 LA - English KW - ozone KW - ecological research KW - ozone layer KW - environmental protection TI - Report of the Ozone Research Managers of the Parties to the Vienna Convention for the Protection of the Ozone Layer M3 - Meeting resource ER -