@article{clark2004extensions,
  author = {Clark, J.M. and Paivio, A.},
  interhash = {0fbf241dfa786fd8d3752ab7a82c85b6},
  intrahash = {e2c4d79f655c0d8e6579c1d44212a73e},
  issn = {1554-3528},
  journal = {Behavior Research Methods, Instruments, \& Computers},
  number = 3,
  pages = 371,
  publisher = {Psychonomic Society Publications},
  title = {Extensions of the Paivio, Yuille, and Madigan (1968) norms},
  url = {http://scholar.google.de/scholar.bib?q=info:CzAMgvcRAbwJ:scholar.google.com/&output=citation&hl=de&as_sdt=2000&as_vis=1&ct=citation&cd=0},
  volume = 36,
  year = 2004
}