@incollection{BarsanGauglitzOpreaetal.2016,
  author    = {Nicolae Barsan and G{\"u}nter Gauglitz and Alexandru Oprea and Edwin Ostertag and G{\"u}nther Proll and Karsten Rebner and Klaus Schierbaum and Frank Schleifenbaum and Udo Weimar},
  title     = {Chemical and biochemical sensors. 1. Fundamentals},
  booktitle = {Ullmann's encyclopedia of industrial chemistry},
  isbn      = {978-3-527-30673-2},
  doi       = {10.1002/14356007.b06\_121.pub2},
  year      = {2016},
}