DIAS-STP-08-15 GUTs in Type IIB Orientifold Compactifications Ralph Blumenhagen, Volker Braun, Thomas W. Grimm, Timo Weigand This preprint is available on Arxiv.org This preprint is available for download : Portable Document Format (Size: 1.1M) Postscript (Size: 1.6M) To obtain copies of any of the preprints in the archives, please contact us and specify the preprint … Continue reading 2008-15 – GUTs in Type IIB Orientifold Compactifications