@inbook {ekim2012computing, title = {Computing minimum geodetic sets of proper interval graphs}, booktitle = {LATIN 2012: Theoretical Informatics}, year = {2012}, pages = {279{\textendash}290}, publisher = {Springer Berlin Heidelberg}, organization = {Springer Berlin Heidelberg}, author = {Ekim, Tinaz and Erey, Aysel and Heggernes, Pinar and van{\textquoteright}t Hof, Pim and Meister, Daniel} }