Accepted in September 2007, to be published in Physical Review D15


ARTICLES

Heterotic road to the MSSM with $R$ parity
Oleg Lebedev, Hans Peter Nilles, Stuart Raby, Sa\ ' { u} l Ramos-S\'{a}nchez, Michael Ratz, Patrick K. S. Vaudrevange, and Ak{ \ i} n Wingerter
[abstract]