ISBNs beginnend mit 978-3-8175-xxxx-xJohannes Lagemann × Planning and Management of Irrigation Projects Johannes LagemannWissenschaftsvlg VaukSoftcover1997 Natural Resource Management between Economic Development and Nature ConservationExperiences from Development Projects in Asia, Latin America and AfricaJohannes LagemannWissenschaftsvlg VaukSoftcover1999
