@book
{TN_libero_mab2,
author = {
Winkler, Thomas
},
title = {
ABAP/4 Programmiertechniken
Trainingsbuch ; mit 51 Tabellen
},
publisher = {Springer},
isbn = {3540404864},
keywords = {
ABAP
},
year = {2005},
booktitle = {Xpert.press},
address = {
Berlin
},
}