@book{Czeguhn+Thiessen+2023,
url = {https://doi.org/10.3790/9783428585793.5},
title = {Preface},
title = {},
author = {Ignacio CzeguhnJan Thiessen},
publisher = {Duncker & Humblot},
address = {},
doi = {doi:10.3790/9783428585793.5},
isbn = {9783428585793},
year = {2023},
lastchecked = {2023}
}