Christian Bernd Hirschmann

FT-IR-cPAS—New Photoacoustic Measurement Technique for Analysis of Hot Gases: A Case Study on VOCs

Ralf Marbach, Jussi Tenhunen, Riitta Liisa Keiski, 2011, Sensors.

Sub-ppb detection of formaldehyde with cantilever enhanced photoacoustic spectroscopy using quantum cascade laser source

Riitta L. Keiski, Christian Bernd Hirschmann, R. Keiski, 2013 .

Fourier Transform Infrared Photoacoustic Multicomponent Gas Spectroscopy with Optical Cantilever Detection

Juho Uotila, Satu Ojala, Jussi Tenhunen, 2010, Applied spectroscopy.