@book{2015,
url = {https://doi.org/10.3790/9783428521753},
title = {Planung – Steuerung – Kontrolle},
title = {Festschrift für Richard Bartlsperger zum 70. Geburtstag},
author = {},
publisher = {Duncker & Humblot},
address = {},
doi = {doi:10.3790/9783428521753},
isbn = {9783428521753},
year = {2006},
lastchecked = {2015}
}