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- [8] REGISTRATION OF CURRENTS OF POSITIVE AND NEGATIVE-IONS IN QUADRUPOLE MASS-SPECTROMETER WITH ONE MEASURING CHANNELINSTRUMENTS AND EXPERIMENTAL TECHNIQUES, 1987, 30 (05) : 1165 - 1167GALL, RNGORKOVOI, VVELOKHIN, VAKUZMIN, AFPROTOPOPOV, SV
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