@article {Using1986,
title = {Using Troll Version 12 on the CCS Computer with Access to the CSO Databank},
year = {1986},
url = {https://www.esri.ie/publications/using-troll-version-12-on-the-ccs-computer-with-access-to-the-cso-databank},
author = {Costigan, J., and FitzGerald, J.},
journal = {Memorandum Series 173},
}