context: In 1984 he was habilitated and in 1985 received a professorship for musicology at the Johannes Gutenberg University Mainz.
source: Ruf is editor and co-publisher of numerous publications.
reference_original: روف محرر وشارك في نشر العديد من المنشورات.
reference_flipped: روف محررة وشاركت في نشر العديد من المنشورات.