Ringo, George Roy, 1917-
George Roy Ringo A letter to my grandchildren, 2000.
Ringo's unpublished autobiography.
Experimental physicist. Argonne National Laboratory from 1948.
Ringo, George Roy, 1917-
Autobiographies. aat aat
Physicists.
AIP-ICOS
American Institute of Physics. Niels Bohr Library & Archives. One Physics Ellipse, College Park, MD 20740, USA