共 6 条
[1]
TRANSPARENCY OF EXTRAGALACTIC SPACE TO VERY-HIGH-ENERGY PHOTONS
[J].
LETTERE AL NUOVO CIMENTO,
1971, 1 (16)
:677-+
[2]
GOLDREICH P, 1964, SOV PHYS JETP-USSR, V18, P239
[5]
NIKISHOV AI, 1962, SOV PHYS JETP-USSR, V14, P393
[6]
WDOWCZYK J, 1971, PRIVATE COMMUNICATIO