@inbook{BUT51743,
  author="Zdeněk {Skála} and Ladislav {Ochrana},
  title="Primary Measures of Nox Level Reduction During a Burning process of Subbituminous Coal in Czech Republic",
  booktitle="Coal Energy and the Environment",
  year="1994",
  month="September",
  publisher="The University of Pittsburgh",
  address="Pittsburgh"
}