direction de Rygaloff Alexis pour le diplome de l'EPHE en 1969. Catherine Argand, << Entretien avec Francois Cheng >>, LIRE, 2001.12. Anne Cheng, La Chine
closed and then opened again, a theory that the Swiss geologist ÉmileArgand(英语:ÉmileArgand) had proposed in the 1920s. 八木天线, a successful and popular beam