TY  - BOOK
AU  - Millikan, Robert Andrews,
TI  - Electrons (+ and -): protons, photons, neutrons, and cosmic rays 
U1  - 539 
PY  - 1935///]
CY  - Chicago, Ill.
PB  - The University of Chicago Press
KW  - Particles (Nuclear Physics)
KW  - Cosmic rays
N1  - The author has revised his former work entitled The electron and add ed six new chapters. cf. Pref
ER  -