Statistical commission : report on the ninth session (16 April-2 May 1956) /
United Nations.
- New York : United Nations, 1956.
- 30 p. ; 28 cm.
"Economic and social council, official records, twenty-second session, supplement no, 7"
Statistics.
311.3 / UNS
"Economic and social council, official records, twenty-second session, supplement no, 7"
Statistics.
311.3 / UNS