@misc
{TN_libero_mab2,
author = {
Sherif, Muzafer
},
title = {
Superordinate Goals in the Reduction of Intergroup Conflict
},
publisher = {University of Chicago Press},
isbn = {0002-9602},
isbn = {1537-5390},
year = {1958},
url = {
http://slubdd.de/katalog?TN_libero_mab2
}
}