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- [2] MASS-SPECTROMETRIC MEASUREMENTS OF AURORAL POSITIVE-IONS TRANSACTIONS-AMERICAN GEOPHYSICAL UNION, 1972, 53 (04): : 470 - +
- [4] NEGATIVE IONS IN LOWER IONOSPHERE - MASS-SPECTROMETRIC MEASUREMENT JOURNAL OF ATMOSPHERIC AND TERRESTRIAL PHYSICS, 1971, 33 (08): : 1169 - +
- [5] MEASUREMENTS OF POSITIVE AND NEGATIVE IONS IN LOWER IONOSPHERE BULLETIN OF THE AMERICAN PHYSICAL SOCIETY, 1970, 15 (04): : 518 - &
- [7] MASS-SPECTROMETRIC STUDY OF POSITIVE-IONS PRODUCED IN AN EXPERIMENTAL DIODE MATERIALS SCIENCE AND ENGINEERING, 1974, 14 (02): : 115 - 122
- [8] MASS-SPECTROMETRIC STUDIES OF SELECTED COUMARINS AND PSORALENS .1. NEGATIVE-IONS ORGANIC MASS SPECTROMETRY, 1993, 28 (10): : 1148 - 1154
- [10] MASS-SPECTROMETRIC CHARACTERIZATION OF POSITIVE-IONS PRODUCED IN SIMPLE VACUUM DIODES AMERICAN CERAMIC SOCIETY BULLETIN, 1972, 51 (04): : 361 - +