I recently finished my diploma thesis "Nichtlineare Dimensionsreduktionsmethoden
in der
Datenanalyse und Signalverarbeitung" ("Nonlinear dimensionality reduction
methods in data
analysis and signal processing") in the group of Prof. Dr. Ulrich Parlitz.
You can download it (in German) as bzip2'ed PostScript
(3.5MB) or as PDF document (4.1MB).