Bibliography of publications issued by Unesco or under its auspices : the first twenty-five years : 1946 to 1971 / [ed.] Unesco
Bibliography of publications issued by Unesco or under its auspices : the first twenty-five years : 1946 to 1971 / [ed.] Unesco
. - Paris : Unesco, 1973
. - XVIII, 385 p. 25 cm
92-3-001037-5
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