The state of the environment, 1987 : report of the Executive Director : United Nations Environment Programme.
1987
Files
Notice détaillée
SymboleUNEP/GC/14/6/Add.1
TitreThe state of the environment, 1987 : report of the Executive Director : United Nations Environment Programme.
AccèsEnglish: UNEP_GC_14_6_Add-1-EN - PDF ;
AuteursUNEP. Executive Director
DateNairobi : UN, 4 Feb. 1987.
Description
2 p.