The state of the environment, 1987 : report of the Executive Director : United Nations Environment Programme.
1987
Files
Detalles de los registros
SignaturaUNEP/GC/14/6/Add.1
TítuloThe state of the environment, 1987 : report of the Executive Director : United Nations Environment Programme.
AccesoEnglish: UNEP_GC_14_6_Add-1-EN - PDF ;
AutoresUNEP. Executive Director
FechaNairobi : UN, 4 Feb. 1987.
Descripción
2 p.