1.
Google: Zur Anatomie einer Suchmaschine (German Edition)
by Bettray, Silke, Fredrich, S...
ISBN: 9783638728676
List Price: $27.50
2.
Die Akkomodationsmethode Des P. Matteo Ricci S.J. in China (Analecta Gregoriana) (German Edi...
by J Bettray
ISBN: 9788876520549
List Price: $30.00