@article{Cassirer1967,
  author    = {Cassirer, Ernst},
  title     = {A Clue to the Nature of Man: The Symbol},
  journal   = {Matson, F. W. (Ed.): Being, Becoming and Behavior. The Psychological Sciences, New York (George Braziller) 1967, pp. 267-272.},
  year      = {1967},
  language  = {en}
}