@online{ timsrc, author = "Werner, Klaus", title = "Vortrag zur Totalen Sonnenfinsternis", publisher = "Universität Tübingen", year = "1999", month = "Aug", day = "20", url = "https://timms.uni-tuebingen.de:443/tp/UT_19990820_001_werner_0001", urldate = "2024-11-27" }