@article{Grell2013,
  author    = {Grell, Petra},
  title     = {Forschende Lernwerkstatt},
  series = {Handbuch qualitative Forschungsmethoden in der Erziehungswissenschaft},
  journal   = {Handbuch qualitative Forschungsmethoden in der Erziehungswissenschaft},
  edition   = {4., durchgesehene Auflage},
  publisher = {Beltz Juventa},
  address   = {Weinheim},
  isbn      = {978-3-7799-0799-2},
  pages     = {887 -- 896},
  year      = {2013},
  language  = {de}
}
@misc{Grell2013,
  author    = {Grell, Petra},
  title     = {Learning and teaching in adult education - contemporary theories},
  series = {Adult education quarterly : a journal of research and theory},
  volume    = {63},
  journal   = {Adult education quarterly : a journal of research and theory},
  number    = {4},
  publisher = {Sage Publ.},
  address   = {Thousand Oaks},
  issn      = {0741-7136},
  doi       = {10.1177/0741713612474785},
  pages     = {390 -- 392},
  year      = {2013},
  language  = {en}
}