@inbook{+1991+I+IV,
url = {https://doi.org/10.1515/9783110862430.fm},
title = {I-IV},
booktitle = {Ion Exchangers},
editor = {Konrad Dorfner},
publisher = {De Gruyter},
address = {Berlin, New York},
pages = {I--IV},
doi = {doi:10.1515/9783110862430.fm},
isbn = {9783110862430},
year = {1991},
lastchecked = {2026-05-07}
}