Establishment of gold-quartz standard GQS-1,
Millard, Hugh T., 1935-
Establishment of gold-quartz standard GQS-1, by Hugh T. Millard, Jr., John Marinenko, and John E. McLane. - Washington, 1969. - iii, 6 p. 26 cm. - United States. Geological Survey. Circular 598 . - Geological Survey circular ; 598. .
Bibliography: p. 4.
gs 68000375 //r85
Gold.
QE75 / .C5 no. 598
Establishment of gold-quartz standard GQS-1, by Hugh T. Millard, Jr., John Marinenko, and John E. McLane. - Washington, 1969. - iii, 6 p. 26 cm. - United States. Geological Survey. Circular 598 . - Geological Survey circular ; 598. .
Bibliography: p. 4.
gs 68000375 //r85
Gold.
QE75 / .C5 no. 598