@book{
international1998iaea,
title={Management of Nutrients and Water in Rainfed Arid and Semi-arid Areas},
series={TECDOC Series},
number={1026},
year={1998},
url={http://www.dgdingfa.net/publications/5322/management-of-nutrients-and-water-in-rainfed-arid-and-semi-arid-areas},
publisher={INTERNATIONAL ATOMIC ENERGY AGENCY},
address={Vienna}
}