Bulletin de la Classe des Sciences. 5e Série. Académie Royale de Belgique, Bruxelles. French. [1 vol. (= 12 issues) a year]

Journal, ISSN 0001-4141

Continued as: Bull. Cl. Sci., VI. Sér., Acad. R. Belg.

No longer indexed. Journal abbreviations vary in sources

Library shelfmarks: GOE:8 Z GEN 274/2; TIB:ZB 1184