@incollection{GerkeMas{\´a}rR{\"o}hrig2013,
  author    = {Gerke, Michael and Mas{\´a}r, Ivan and R{\"o}hrig, Christof},
  title     = {Farmland monitoring by sensor networks and airships},
  series = {4th IFAC conference on modelling and control in agriculture, horticulture and post harvest industry : August 2013},
  publisher = {International Federation of Automatic Control},
  address   = {Laxenburg},
  pages     = {6},
  year      = {2013},
  language  = {en}
}