@Article{HernándezAlvarado21,
author = {Suilen H. Alvarado and Cortiñas, A. and Luaces, M. R. and Pedreira, O. and Places, A. S.},
title = {Multilevel modeling of geographic information systems based on international standards},
journal = {Software and Systems Modeling},
address = {Heidelberg},
year = {2021},
pages = {623-666}
}