Rapports :
Rapports : Comissions du programme, commission administrative, comité juridique (volume 2)
- París : UNESCO, 1986.
- 450 p.
9236024551
DO 341.16: 001 (047.3) =40 1985 INF No. 23a.
9236024551
DO 341.16: 001 (047.3) =40 1985 INF No. 23a.