Die Zeitungsmacher: Aufbruch in die digitale Moderne
by Stephan A. Weichert, Leif Kramp, Martin Welker
ISBN 13: 9783658021030
Format: Paperback (240 pages) Publisher: Springer VS Published: 16 Oct 2014
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Toxic Cyanobacteria in Water: A Guide to Their Public Health Consequences, Monitoring and Management
by Ingrid Chorus,Martin Welker
ISBN 13: 9780367533328
Format: Paperback (858 pages) Publisher: CRC Press Published: 30 Sep 2022