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by Kolditz, Thomas A.; Pfeifer, Joseph W.
by Pfeifer, Thomas; Matyas, Josef; Balaya, Palani; et al.
by Thomas A. Kolditz (West Point ); Foreword by: Joseph W. Pfeifer
by Pfeifer, Mario; Seelig, Thomas
by Pfeifer, Jeffrey E.; Hadjistavropoulos, Thomas
by Bahle, Thomas; Hubl, Vanessa; Pfeifer, Michaela
by Robert, Günther; Pfeifer, Dipl. Päd. Kristin; Drößler, Thomas