@book{
international1970iaea,
title={Isotopes and Radiation in Investigations of Fertilizer and Water Use Efficiency in Countries of Asia and the Far East (Bangkok, 21-25 April 1969)},
series={TECDOC Series},
number={120},
year={1970},
url={http://www.dgdingfa.net/publications/362/isotopes-and-radiation-in-investigations-of-fertilizer-and-water-use-efficiency-in-countries-of-asia-and-the-far-east-bangkok-21-25-april-1969},
publisher={INTERNATIONAL ATOMIC ENERGY AGENCY},
address={Vienna}
}