@article{2011:braun:20_jahre_g,
title = {20 Jahre GTG},
year = {2011},
note = {},
journal = {TG Technikgeschichte},
pages = {123--134},
author = {Braun, Hans-Joachim and König, Wolfgang and Schmidt, Dorothea and Weber, Wolfhard and Wengenroth, Ulrich},
volume = {78},
number = {2}
}