| [1] | He D, Hall D R.J A P, 1984; 56:856 |
| [2] | Vidand P,He D,Hall D R, Opt Cnmmuu, 1985; 56:185 |
| [3] | Abrainski K M, Colly A D, Baker H J et al. A P L, 1989; 54:1833 |
| [4] | Francis G.Ionization phenomena in gases. New York:Academic Press Inc, 1960:81.172 |
| [1] | He D, Hall D R.J A P, 1984; 56:856 |
| [2] | Vidand P,He D,Hall D R, Opt Cnmmuu, 1985; 56:185 |
| [3] | Abrainski K M, Colly A D, Baker H J et al. A P L, 1989; 54:1833 |
| [4] | Francis G.Ionization phenomena in gases. New York:Academic Press Inc, 1960:81.172 |