Records of the general conference twenty-third session 1985 : proceedings.
- Paris : Unesco, c 1987.
- Vols. : ill. ; 29 cm.
V. 3-- ;
11 11
English, French, Spanish, Russian, Arabic.
92-3002474-0
General Conference-- Unesco.
060 / U3r
V. 3-- ;
11 11
English, French, Spanish, Russian, Arabic.
92-3002474-0
General Conference-- Unesco.
060 / U3r