共 10 条
[1]
BALICK B, 1974, 8TH P ESLAB S
[2]
DANSON PJN, 1973, NATURE-PHYS SCI, V246, P90
[3]
DOWNES D, 1974, 8TH P ESLAB S
[5]
EYLES CJ, 1975, IAU2774 CIRC