@article{nokey,
title = {"Meta Modeling for Business Process Improvement."},
author = {Johannsen, F. and H.-G. Fill},
year = {2017},
date = {2017-00-00},
journal = {Business & Information Systems Engineering },
volume = {59},
issue = {4},
pages = {251-275},
keywords = {},
pubstate = {published},
tppubtype = {article}
}