@book{2018,
url = {https://doi.org/10.3790/9783428554188.7},
title = {Contents},
title = {},
author = {},
publisher = {Duncker & Humblot},
address = {},
doi = {doi:10.3790/9783428554188.7},
isbn = {9783428554188},
year = {2018},
lastchecked = {2018}
}