TY - JOUR A1 - Helsper, Christoph A1 - Nießner, R. T1 - Application of a Multistep Condensation Nuclei Counter as a Detector for Particle Surface Composition / Nießner, R. ; Helsper, C. T2 - Journal of Aerosol Science. 16 (1985), H. 3 Y1 - 1985 UR - https://opus.bibliothek.fh-aachen.de/opus4/frontdoor/index/index/docId/2279 SN - 0021-8502 SP - 201 EP - 209 ER -