@book
{TN_libero_mab2,
author = {
},
title = {
Combinatorics 79 [seventy-nine]
1
},
publisher = {North-Holland},
isbn = {0444861106},
year = {1980},
booktitle = {Annals of discrete mathematics ; 8},
address = {
Amsterdam
},
url = {
http://slubdd.de/katalog?TN_libero_mab2
}
}