@article{MeyerKohlstockHauptHeldtetal.2016,
  author    = {Daniel Meyer-Kohlstock and Thomas Haupt and Erik Heldt and Nils Heldt and Eckhard Kraft},
  title     = {Biochar as Additive in Biogas-Production from Bio-Waste},
  journal   = {ENERGIES},
  doi       = {10.3390/en9040247},
  year      = {2016},
}