@book{
183-1657477770,
title = {Associations and class hierarchies},
series = {},
series = {Volume 2},
author = {Wagner, Gerd and Diaconescu, Mircea},
address = {Berlin},
publisher = {De Gruyter Oldenbourg},
address = {},
publisher = {},
year = {2021},
isbn = {9783110500325},
language = {English},
url = {https://www.degruyter.com/isbn/9783110500325},
url = {https://doi.org/10.1515/9783110500325},
url = {https://www.degruyter.com/cover/covers/9783110500325.jpg},
url = {https://katalog.fid-bbi.de/Record/183-1657477770}
}