[Papers and proceedings]
Publisher: I. Silber
Published: 1969
Place of publication: Brooklyn, N.Y
Language: eng; spa
Format: microform
Subjects: Civilization; Congresses
Notes: In English, from the official translations made by the Secretariat of the Congress.

Microfilm. [Princeton] : Princeton University Library, [1969?]. 1 microfilm reel ; 35 mm. Low reduction.