International Referral System for Sources of Environmental Information : index of sources (cumulation), 1983/84.
1983
详细记录
符号UNEP/INFOTERRA/I.83
标题International Referral System for Sources of Environmental Information : index of sources (cumulation), 1983/84.
索书号
UNEP/INFOTERRA(015)/S6
日期Nairobi : UN, Jan. 1983.
描述
1 vol.