Paivio et al. 1968

Paivio, Allan, John C. Yuille & Stephen A. Madigan. 1968. Concreteness, imagery, and meaningfulness values for 925 nouns. Journal of Experimental Psychology 76. 1-25.

@article{Paivio1968,
  author  = {Paivio, Allan and Yuille, John C. and Madigan, Stephen A.},
  journal = {Journal of Experimental Psychology},
  pages   = {1-25},
  title   = {Concreteness, imagery, and meaningfulness values for 925 nouns.},
  volume  = {76},
  year    = {1968}
}