1. “Wirkungsgrad des Sperreffektes in Faserfiltern bei kleinen Knudsenschen Zahlen,”;Pich;Staub,1966
2. “Widerstand des Zylinders in der Gleitströmung,”;Pich;Rheol. Acta,1967
3. “The Drag of a Cylinder in the Transition Region,”;Pich;J. Colloid Interface Sci.,1969
4. “The estimation of the inner structure of a fibre filter by means of electron microscopy,”;Hampl;Staub,1970
5. J. Albrecht, “Kinetics of Filtration,” thesis Technical University of Prague, Faculty of Mechanical Engineering (1967).