1. A Photoionization Method for Estimating Black Hole Masses in Quasars. Issue Volume 14:Issue S342(2018) (May 2018) Authors: Alenka Negrete, C.; Dultzin, Deborah; Marziani, Paola; Sulentic, Jack W.; Martínez-Aldama, M. L. Editors: Asada, Keiichi; de Gouveia Dal Pino, Elisabete; Giroletti, Marcello; Nagai, Hiroshi; Nemmen, Rodrigo Journal: Proceedings of the International Astronomical Union Issue: Volume 14:Issue S342(2018) Page Start: 270 Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗