TY  - JOUR
A1  - Helsper, Christoph
A1  - Fißan, H. J.
A1  - Kasper, W.
T1  - Calibration of Optical Particle Counters with Respect to Particle Size / Fißan, H. J. ; Helsper, C.; Kasper, W.
JF  - Particle and Particle Systems Characterization. 1 (1984), H. 1984
Y1  - 1984
SN  - 1521-4117
SP  - 108
EP  - 111
ER  - 
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.
JF  - Journal of Aerosol Science. 16 (1985), H. 3
Y1  - 1985
SN  - 0021-8502
SP  - 201
EP  - 209
ER  - 
TY  - JOUR
A1  - Helsper, Christoph
A1  - Bartz, H.
A1  - Fißan, H. J.
A1  - Kousaka, Y. (u.a.)
T1  - Response Characteristics for Four Condensation Nucleus Counters to Particles in the 3 to 50 nm Diameter Range / Bartz, H. ; Fißan, H. J. ; Helsper, C.; Kousaka, Y. ; Okuyama, K. ; Keady, R. Fruin, S. ; McMurry, P. H.; Pui, D. Y. H. ; Stolzenburg, M. R.
JF  - Journal of Aerosol Science. 16 (1985), H. 5
Y1  - 1985
SN  - 0021-8502
SP  - 443
EP  - 456
ER  - 
TY  - JOUR
A1  - Mackenstein, Hans
T1  - Books Reviewed - European Democratization since 1800 edited by J. Garrard, V. Tolz and R. White
JF  - Democratization. 7 (2000), H. 4
Y1  - 2000
SN  - 1351-0347
SP  - 219
EP  - 219
ER  - 
TY  - JOUR
A1  - Mackenstein, Hans
T1  - Book Reviews - Cowie, Harry, Private Partnership and Public Networks in Europe
JF  - Regional and federal studies. 9 (1999), H. 2
Y1  - 1999
SN  - 1359-7566
SP  - 111
EP  - 111
ER  - 
TY  - JOUR
A1  - Mackenstein, Hans
T1  - Book Reviews - Samardzic, Slobodan and Thomas Fleiner, Federalismus und Minderheitenproblem in Multiethnischen Gemeinschaften
JF  - Regional and federal studies. 8 (1998), H. 3
Y1  - 1998
SN  - 1359-7566
SP  - 138
EP  - 138
ER  - 
TY  - JOUR
A1  - Mackenstein, Hans
T1  - Book Reviews - Morass, Michael; Regionale Interessen auf dem Weg in die Europäische Union: Strukturelle Entwicklung und Perspektiven der Interessenvermittlung Österreichischer und deutscher Ländesakteure im Rahmen der Europäischen Integration
JF  - Regional and federal studies. 8 (1998), H. 1
Y1  - 1998
SN  - 1359-7566
SP  - 227
EP  - 227
ER  - 
TY  - BOOK
A1  - Maercker, Gisela
T1  - Efficient estimation in AR models with ARCH errors
Y1  - 1995
N1  - Bericht // Institute für Mathematik, Technische Universität Braunschweig ; 95,10
PB  - Institute für Mathematik, Techn. Univ.
CY  - Braunschweig
ER  - 
TY  - BOOK
A1  - Maercker, Gisela
T1  - Statistical inference in conditional heteroskedastic autoregressive models
Y1  - 1997
SN  - 3-8265-2486-1
N1  - Berichte aus der Mathematik ; Zugl.: Braunschweig, Techn. Univ., Diss., 1996
PB  - Shaker
CY  - Aachen
ER  - 
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
JF  - Journal of Aerosol Science. 16 (1985), H. 5
Y1  - 1985
SN  - 0021-8502
SP  - 457
EP  - 461
ER  -