注記: |
Frequency: Bimonthly, 1947-67,1974; 8 no. a year, 1968-73; Quarterly, 1975-1994 Ceased with 1994, 4 issue. Cf. Letter from publisher Issues for 1975-1994 published by: Agifa Verlag Vols. for 1947-74 numbered v. 1-28 Has supplement, Micro-news, issued separately 1968-73, continued as part of Microtecnic, 1974 Issues for 1947 are in French with English section; 1948-73, English (Published also in French and German); 1974- text in English, French, and German |