Provisional International Computation Centre. (Corporate Name)

Bulletin of the Provisional International Computation Centre, Apr. 1958: t.p. (Provisional International Computation Centre) p. 1 (Centro internazionale provvisorio di calcolo) p. 4 (f. 9/1957; P.I.C.C.; founded by bilateral agreement with Unesco and Italian Institute of Higher Mathematics pending the establishment of an International Computation Centre); Oct. 1958: t.p. (Centre international provisoire de calcul)

ICC bulletin, Apr. 1962: t.p. (International Computation Centre) p. 11 (f. 11/28/61; takes over the activities of the Provisional Centre)