@inproceedings{Nilles:2000BS, author = "Nilles, H.P.", title = "{Anomalous U(1) Gauge Symmetries And Heterotic - Type I/II String Duality}", doi = "10.22323/1.004.0037", booktitle = "Proceedings of Quantum aspects of gauge theories, supersymmetry and unification {\textemdash} PoS(tmr99)", year = 2000, volume = "004", pages = "037" }