共 9 条
[2]
BOURG F, 1986, DRFGPADSI48685X NOT
[3]
BRIAND P, DRFGPADSI18785X NOT
[4]
GELLER R, 1985, REV SCI INSTR, V56
[5]
GELLER R, 1986, 7TH WORKSH ECR ION S, P34
[6]
1980, Patent No. 2475798
[7]
1983, Patent No. 2556498
[8]
1983, Patent No. 2548436
[9]
1983, Patent No. 2553574