@misc
{TN_libero_mab2,
author = {
Sweetser, Frank L.
},
title = {
Factor Structure as Ecological Structure in Helsinki and Boston
},
publisher = {SAGE Publications},
isbn = {0001-6993},
isbn = {1502-3869},
keywords = {
Sociology and Political Science
},
year = {1965},
url = {
http://slubdd.de/katalog?TN_libero_mab2
}
}