@book
{TN_libero_mab2,
author = {
Fischbach, Franz
AND
Poths, Willi
},
title = {
COBOL-Lehrbuch
1 Die COBOL-Sprache
},
publisher = {Hase Koehler},
isbn = {3775807950},
year = {1970},
booktitle = {Die Elektronische Datenverarbeitung von A-Z ; 7},
address = {
Mainz
},
url = {
http://slubdd.de/katalog?TN_libero_mab2
}
}