@inproceedings{Peterson:2011sM, author = "Peterson, Bradley", title = "{Masses of Black Holes in Active Galactic Nuclei: Implications for Narrow-Line Seyfert 1 Galaxies'' (invited)}", doi = "10.22323/1.126.0032", booktitle = "Proceedings of Narrow-Line Seyfert 1 Galaxies and their place in the Universe {\textemdash} PoS(NLS1)", year = 2011, volume = "126", pages = "032" }