The summary of my habilitation thesis:

Crystal structure determination of molecular materials from X-ray powder diffraction data
(Kristallstrukturbestimmung molekularer Substanzen aus Röntgenbeugungsaufnahmen an Pulvern)

(Laboratory of Crystalography, University of Bayreuth, 1999).
 

is available in PDF format here (about 80 pages, 3MB, in german)