The Principles and Practice of Sampling Metallic Metallurgical Materials: with Special Reference to the Sampling of Copper Bullion

Author:	Keller, Edward
Year:	1916
Document Type:	N/A
Series:	United States Bureau of Mines Reports
Report Number:	Bulletin 122
Link:	https://digital.library.unt.edu/ark:/67531/metadc12328/