http://www.gutenberg.org/ebooks/author/48787.opds 2024-11-12T20:13:49Z Books by Wagner, Johannes Rudolf (sorted by popularity) Free eBooks since 1971. Project Gutenberg https://www.gutenberg.org webmaster@gutenberg.org https://www.gutenberg.org/gutenberg/favicon.ico 25 1 2024-11-12T20:13:49Z https://sendtokindle.compellingsciencefiction.com/ebooks/56330.opds Handbuch der chemischen Technologie (German) Johannes Rudolf Wagner