@book{
  international1992iaea,
  title={Manual on Measurement of Methane and Nitrous Oxide Emisssions from Agriculture},
  series={TECDOC Series},
  number={674},
  year={1992},
  url={https://www.iaea.org/publications/936/manual-on-measurement-of-methane-and-nitrous-oxide-emisssions-from-agriculture},
  publisher={INTERNATIONAL ATOMIC ENERGY AGENCY},
  address={Vienna}
}