TY - JOUR A1 - Helsper, Christoph A1 - Fißan, H. J. A1 - Thielen, H. J. T1 - Determination of Particle Size Distributions by Means of an Electrostatic Classifier / Fißan, H. J.; Helsper, C. ; Thielen, H. J. T2 - Journal of Aerosol Science. 14 (1983), H. 3 Y1 - 1983 UR - https://opus.bibliothek.fh-aachen.de/opus4/frontdoor/index/index/docId/2277 SN - 0021-8502 SP - 354 EP - 357 ER -