TY - JOUR A1 - Zhang, M A1 - Wexler, A S T1 - Cross flow ion mobility spectrometry: theory and initial prototype testing. Y1 - 2006/12/1 N1 - R832836 JF - INTERNATIONAL JOURNAL OF MASS SPECTROMETRY J1 - INT J MASS SPECTROM VL - 258 IS - 1-3 SP - 13 EP - 20 ER -