@book{
international1999iaea,
title={Nuclear Based Technologies for Estimating Microbial Protein Supply in Ruminant Livestock},
series={TECDOC Series},
number={1093},
year={1999},
url={http://www.dgdingfa.net/publications/5764/nuclear-based-technologies-for-estimating-microbial-protein-supply-in-ruminant-livestock},
publisher={INTERNATIONAL ATOMIC ENERGY AGENCY},
address={Vienna}
}