@article{81702,
      author = {Sherif, Muzafer, and Cantril, Hadley,},
      url = {http://library.usi.edu/record/81702},
      title = {The psychology of ego-involvements, social attitudes &  identifications.},
      publisher = {J. Wiley},
      recid = {81702},
      pages = {viii, 525 p. ;},
      address = {New York,},
      year = {1966},
}