@incollection{escidoc:1020,
  title = {{MeV Positron Beams}},
  booktitle = {{Positron Beams and Their Applications}},
  pages = {237--257},
  publisher = {World Scientific},
  address = {Singapore},
  year = {2000},
  slug = {escidoc-1020},
  author = {Stoll, H.}
}