共 25 条
[3]
PULSED X-RAY EMISSION FROM NP 0532 IN 20-200 KEV RANGE
[J].
NATURE-PHYSICAL SCIENCE,
1971, 232 (30)
:79-+
[5]
MEASUREMENT OF PULSATION RATIO OF CRAB NEBULA IN X-RAY REGION FROM 20 TO 80 KEV
[J].
NATURE-PHYSICAL SCIENCE,
1971, 229 (04)
:113-+