共 5 条
- [1] Maxima of secondary radiation in lead by the penetrating part of cosmic rays [J]. PHYSICA, 1940, 7 : 673 - 684
- [2] Decrease of the primary cosmic radiation in different materials [J]. PHYSICA, 1936, 3 : 332 - 340
- [3] CLAY J, 1948, PHYSICA, V14
- [4] CLAY J, 1937, PHYS, V3, P627