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＜図書＞
Silver; an analysis of factors affecting its price / by Y. S. Leong.
(The Institute of economics of the Brookings institution. Publication ; no.49)

出版者	Washington, D.C.} : {Brookings institution
出版年	1933
大きさ	xiv, 168 p. diagrs. 22 cm.
著者標目	Leong, Yau Sing, 1899-
件　名	Silver Silver mines and mining
一般注記	Issued also as thesis Columbia University. ＼ Selected bibliography: p.157-162.

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