@book
{TN_libero_mab2,
author = {
VEB Robotron Dresden
},
title = {
FOR 4000 (ESKO)
Programmierhandbuch; Kommunikation; PRS 4000
},
publisher = {},
year = {1974},
booktitle = {MOS},
booktitle = {Systemunterlagen-Dokumentation},
address = {
Dresden
},
url = {
http://slubdd.de/katalog?TN_libero_mab2
}
}