共 4 条
[1]
BOERSCH H, 1939, Z TECH PHYS, V20, P346
[3]
RUTHEMANN G, 1942, NATURWISSENSCHAFTEN, V30, P145
[4]
Increase the resolution power of the magnetic semi-circle method for velocity analysis of cathode rays.
[J].
ZEITSCHRIFT FUR PHYSIK,
1939, 114 (11-12)
:709-718