@article{EllgringClarke1977,
  author    = {Ellgring, Johann Heinrich and Clarke, A. H.},
  title     = {Event triggered observation as a method for the study of gestural behaviour},
  url       = {http://nbn-resolving.de/urn:nbn:de:bvb:20-opus-42491},
  year      = {1977},
  abstract  = {No abstract available},
  language  = {en}
}
@article{WagnerClarkeEllgring1983,
  author    = {Wagner, H. and Clarke, A. H. and Ellgring, Johann Heinrich},
  title     = {Eye-contact and individual looking - The role of chance},
  url       = {http://nbn-resolving.de/urn:nbn:de:bvb:20-opus-42078},
  year      = {1983},
  abstract  = {No abstract available},
  language  = {de}
}