TY - JOUR A1 - Helsper, Christoph A1 - Nießner, R. T1 - On the Influence of the Vapour Substance on the Behaviour of an Expansion Type Condensation Nucleus Counter T2 - Journal of Aerosol Science. 16 (1985), H. 5 Y1 - 1985 UR - https://opus.bibliothek.fh-aachen.de/opus4/frontdoor/index/index/docId/2281 SN - 0021-8502 SP - 457 EP - 461 ER -