@other{https://resolver.caltech.edu/CaltechETD:etd-09022008-144208, title = "Supermassive black holes in galactic nuclei", year = "1979", url = "https://resolver.caltech.edu/CaltechETD:etd-09022008-144208", id = "record", doi = "10.7907/mcgd-jp70" }