1.

図書
図書
1. Proceedings of the Fourth International Congress on Mathematical Education
edited by Marilyn Zweng ... [et al.]
出版情報: Boston : Birkhäuser, c1983
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2.

図書
図書
2. Proceedings of the International Clay Conference 1972, Madrid, Spain, June 23-30 : arranged by Association internationale pour l'etude des argiles and the Spanish Clay Society
editor J. M. Serratosa, assistant editor A. Sanchez
出版情報: Madrid : Division de Ciencias C.S.I.C., 1973
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