@online{ timsrc, author = "Hartmann, Stephan", title = "17th European White Dwarf Workshop: Asymmetric line profiles in the spectra of gaseous metal disks around single DAZ white dwarfs", publisher = "Universität Tübingen", year = "2010", month = "Aug", day = "20", url = "https://timms.uni-tuebingen.de:443/tp/UT_20100820_004_eurowd_0001", urldate = "2024-04-23" }