@book{
international1998iaea,
title={Improving Yield and Nitrogen Fixation of Grain Legumes in the Tropics and Sub-tropics of Asia},
series={TECDOC Series},
number={1027},
year={1998},
url={http://www.dgdingfa.net/publications/5323/improving-yield-and-nitrogen-fixation-of-grain-legumes-in-the-tropics-and-sub-tropics-of-asia},
publisher={INTERNATIONAL ATOMIC ENERGY AGENCY},
address={Vienna}
}