Heiermann, Monika, Dep. Technology Assessment and Substance Cycles

• Agricultural Engineering International: CIGR Journal Volume XI (2009) - IV-Energy in Agriculture
  Biogas Crops - Part I: Specifications and Suitability of Field Crops for Anaerobic Digestion
  Abstract  PDF
• Agricultural Engineering International: CIGR Journal Volume XI (2009) - IV-Energy in Agriculture
  Biogas Crops – Part II: Balance of Greenhouse Gas Emissions and Energy from Using Field Crops for Anaerobic Digestion
  Abstract  PDF