Stratkötter, Andreas. “The ‘Forschungsstelle Qualitative Methoden’ at the Heinrich Heine-University of Duesseldorf: Approaches towards Social Scientific Research on Psychotherapy”. Forum Qualitative Sozialforschung Forum: Qualitative Social Research, vol. 1, no. 2, June 2000, doi:10.17169/fqs-1.2.1094.