@book
{TN_libero_mab2,
author = {
Rozenberg, Grzegorz
},
title = {
Handbook of formal languages
},
publisher = {Springer},
isbn = {3540614869},
keywords = {
Formal languages
,
Formale Sprache
},
year = {1997-},
address = {
Berlin
},
url = {
http://slubdd.de/katalog?TN_libero_mab2
}
}