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Helsper, Christoph
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Fißan, H. J.
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Fast and Automated Testing of Filter Media / Mölter, W. ; Helsper, C. ; Willemer, W.
(1987)
Helsper, Christoph
;
Mölter, W.
;
Willemer, W.
Evaluation of Particle Size Distributions by Means of Particle Counters / Fißan, H. J. ; Helsper, C.
(1979)
Helsper, Christoph
Numerical Simulation Studies and Data Reduction for Size Classifying Measurement Techniques / Fißan, H. J.; Helsper, C.
(1979)
Helsper, Christoph
;
Fißan, H. J.
Numerical Simulation Studies and Data Reduction for Size Classifying Measurement Techniques / Fißan, H. J.; Helsper, C.
(1980)
Helsper, Christoph
;
Fißan, H. J.
Particle Number Distributions of Aerosols from Test Fires
(1980)
Helsper, Christoph
;
Fißan, H. J.
;
Muggli, J.
;
Scheidweiler, A.
Response Characteristic of a Polytec HC-15 Optical Particle Counter
(1981)
Helsper, Christoph
;
Fißan, H. J.
Data Inversion by Simplex Minimization for the Electrical Aerosol Analyzer
(1982)
Helsper, Christoph
;
Fißan, H. J.
;
Kapadi, A.
;
Liu, B. Y. H.
Techniken zur Kalibrierung von Staubmeßgeräten / Fißan, H. J.; Helsper, C.
(1982)
Helsper, Christoph
;
Fißan, H. J.
Zur Reaktion von Rauchdetektoren auf Brandkenngrößen / Fißan, H. J.; Helsper, C.
(1982)
Helsper, Christoph
;
Fißan, H. J.
Kondensationskernzähler in der Reinraummeßtechnik - Meßbereichsgrenzen nach unten verschoben
(1988)
Helsper, Christoph
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