context: With Heinz Stoob she received her doctorate at the University of Münster in 1986 with a thesis on the rule of travel Karls IV. south of the Alps.
source: From 1989 to 1995 Widder was scientific assistant at the University of Münster.
reference_original: С 1989 по 1995 год Виддер была научным ассистентом в Мюнстерском университете.
reference_flipped: С 1989 по 1995 год Виддер был научным ассистентом в Мюнстерском университете.