共 8 条
- [1] GREENBERG JM, 1968, NEBULAE INTERSTELLAR, P243
- [2] COLLISION THEORIES OF CATHODE SPUTTERING OF METALS AT LOW ION ENERGIES [J]. PHYSICAL REVIEW, 1961, 121 (05): : 1286 - &
- [5] PECKER JC, 1971, CR ACAD SCI B PHYS, V272, P69
- [6] RYLE M, 1967, ASTROPHYS J, V147, P217