Tamper Resistance of AES -- Models, Attacks and Countermeasures
V. Krummel, Tamper Resistance of AES -- Models, Attacks and Countermeasures, Universität Paderborn, 2007.

Fault Attacks and Countermeasures
M. Otto, Fault Attacks and Countermeasures, Universität Paderborn, 2005.

New RSA Vulnerabilities Using Lattice Reduction Methods
A. May, New RSA Vulnerabilities Using Lattice Reduction Methods, Universität Paderborn, 2003.

Simplifying Expressions Involving Radicals
J. Blömer, Simplifying Expressions Involving Radicals, PhD thesis, Freie Universität Berlin, Fachbereich Mathematik und Informatik, 1992.