TY  - BOOK
AU  - Friesen, Sten von,
TI  - Precision measurements of electron wave spectra: with a determin ation of the electronic charge and Planck's constant 
U1  - P 530.12 F75 
PY  - 1935///
CY  - Uppsala
PB  - Almquist & Wiksells
KW  - Electrons
KW  - Wave mechanics
KW  - Spectrum analysis
ER  -