The environment : six years of programme and research activities, 1985-1990 [microform] /
Unesco.
Paris : Unesco,
1990.
"90 S 0610" -- Eye-readable data.
"This compilation covers the main books, articles, working papers and conference documents produced by Unesco, or under its auspices, on the theme of the environment".
"Compilation produced by the Information, Library and Archives Division (DIT/IR) with the collaboration of Management Systems Section (DIT/MS)"-- p. [i] of index.
Unesco.
Environmental policy