@incollection{SchuesslerOkruschSeideletal.1989,
  author    = {Ulrich Sch{\"u}ssler and M. Okrusch and E. Seidel and P. Richter},
  title     = {Geochemical characteristics of metabasites in different tectonic units of the North-East-Bavarian crystalline basement},
  year      = {1989},
}