共 25 条
- [12] THE RATIO OF HELIUM TO HYDROGEN IN THE ORION NEBULA [J]. ASTROPHYSICAL JOURNAL, 1957, 125 (02) : 328 - 335
- [15] MIYAMOTO S, 1953, PUB ASTR SOC JAPAN, V4, P28
- [17] PAGEL B, 1959, VISTAS ASTRONOMY, V3
- [18] POTTASCH SR, 1956, BAN, V13
- [19] THE RECOMBINATION SPECTRUM OF NEBULAR HYDROGEN [J]. ASTROPHYSICAL JOURNAL, 1958, 128 (03) : 489 - 496
- [20] CROSS SECTIONS FOR 2S-2P TRANSITIONS IN H AND 3S-3P TRANSITIONS IN NA PRODUCED BY ELECTRON AND BY PROTON IMPACT [J]. PROCEEDINGS OF THE PHYSICAL SOCIETY OF LONDON SECTION A, 1955, 68 (06): : 457 - 473