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B. G. Teubner (Leipzig) (1811-1830) (9)
B.-G.-Teubner-Verlagsgesellschaft (Stuttgart) (1952-)(1)
International Commission on the Teaching of Mathematics (1908-1952)(1)
B. G. Teubner (Leipzig) (1811-1830) (9)
B.-G.-Teubner-Verlagsgesellschaft (Stuttgart) (1952-)(1)
International Commission on the Teaching of Mathematics (1908-1952)(1)