In-Situ Determination of the Charging of Nanometer and Submicron Particles at High Temperatures
A. Schiel, A.P. Weber, G. Kasper, H.-J. Schmid, Particle &; Particle Systems Characterization 19 (2002) 410–418.

In-Situ Measurement of Local Particle Flux Densities in a Complex Two-Phase Flow
H.-J. Schmid, S. Veith, H. Umhauer, Particle &; Particle Systems Characterization 19 (2002).

Trennprozesse: Abschnitt 7.5.3
H.-J. Schmid, in: Handbuch Der Mechanischen Verfahrenstechnik, 2002.

Novel Concepts for Teaching Particle Technology 
H.-J. Schmid, W. Peukert, Chemical Engineering Education 36 (2002).

On the Modelling of the Electro-Hydrodynamic Flow Field in Electrostatic Precipitators
H.-J. Schmid, Flow, Turbulence and Combustion 68 (2002) 63–89.

Zum Partikeltransport in Elektrischen Abscheidern
H.-J. Schmid, Zum Partikeltransport in Elektrischen Abscheidern, Shaker Verlag, 1998.