共 9 条
[1]
BRANDT W, 1971, PHYS LETT A, VA 35, P109
[3]
BRANDT W, 1974, APPL PHYS, V5
[7]
FREE ANNIHILATION OF ORTHO-POSITONIUM FORMED IN CERTAIN POWDERS OF SPECIFIC AREA
[J].
JOURNAL DE PHYSIQUE,
1968, 29 (04)
:263-+
[8]
RASNEUR B, KINDLY MEASURED S VA