@workingPaper{BoleyHanschkeHinkelmannMeyer_1993,
title={COLAB : a hybrid knowledge representation and compilation laboratory},
author={Boley, Harold and Hanschke, Philipp and Hinkelmann, Knut and Meyer, Manfred},
doi={http://dx.doi.org/10.22028/D291-24869},
year={1993}
}