@book{
international1986iaea,
title={Nuclear Techniques in the Development of Fertilizer Practices for Multiple Cropping Systems (Summary of the Results of the 5-year FAO/IAEA Co-ordinated Research Programme, 1980-1985)},
series={TECDOC Series},
number={394},
year={1986},
url={http://www.dgdingfa.net/publications/649/nuclear-techniques-in-the-development-of-fertilizer-practices-for-multiple-cropping-systems-summary-of-the-results-of-the-5-year-faoiaea-co-ordinated-research-programme-1980-1985},
publisher={INTERNATIONAL ATOMIC ENERGY AGENCY},
address={Vienna}
}