558/19: HIStory: Kurzer Überblick über den Inhalt des Buchs ‚Sonor in Weissenfels‘ (Arps Verlag/Autor: Klaus Ruple)
Sonor in Weissenfels- The book of Klaus Ruple The Founder-Story of SONOR – published at the Arps-Verlag Weißenfels , over 245 pages, written bilingual in german and english ISBN 978-3-936341-30-0…