Marr, Harold E.
XRF4-computer programing for X-ray analysis / by Harold E. Marr, III. - [Washington] : U.S. Dept. of the Interior, Bureau of Mines, 1976. - [3], 32 p. - Information circular ; 8712 . - United States. Bureau of Mines. Information circular ; 8712. . - Information circular (United States. Bureau of Mines) ; 8712 .
Item 637-A
91055151
X-rays--Computer programs.
XRF4-computer programing for X-ray analysis / by Harold E. Marr, III. - [Washington] : U.S. Dept. of the Interior, Bureau of Mines, 1976. - [3], 32 p. - Information circular ; 8712 . - United States. Bureau of Mines. Information circular ; 8712. . - Information circular (United States. Bureau of Mines) ; 8712 .
Item 637-A
91055151
X-rays--Computer programs.