共 21 条
[3]
BELL RE, 1952, PHYS REV, V87, P236
[4]
BELL RE, 1952, JUN M QUEB ROYAL SOC
[8]
ON THE ANGULAR DISTRIBUTION OF 2-PHOTON ANNIHILATION RADIATION
[J].
PHYSICAL REVIEW,
1950, 77 (02)
:205-212
[10]
EVIDENCE FOR THE FORMATION OF POSITRONIUM IN GASES
[J].
PHYSICAL REVIEW,
1951, 82 (03)
:455-456