@misc
{TN_libero_mab2,
author = {
Ayala, George
},
title = {
Risky Sex? Gay Men and HIV Prevention
},
publisher = {SAGE Publications},
isbn = {1359-1053},
isbn = {1461-7277},
keywords = {
Applied Psychology
},
year = {1999},
url = {
http://slubdd.de/katalog?TN_libero_mab2
}
}