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by R. A. Millikan..Cosmic rays : three lectures, being the revision of the 1936 Page-Barbour lectures of the University of Virginia and the 1937 John Joly lectures of Trinity college, Dublin /.The Macmillan Company ;,2014..
Cosmic rays : three lectures, being the revision of the 1936 Page-Barbour lectures of the University of Virginia and the 1937 John Joly lectures of Trinity college, Dublin /