Branko Kaucic, Borut Zalik, Franc Novak. On the Lower Bound of Edge Guards of Polyhedral Terrains. Int. J. Comput. Math., 80(7):811-814, 2003. [doi]
@article{KaucicZN03,
title = {On the Lower Bound of Edge Guards of Polyhedral Terrains},
author = {Branko Kaucic and Borut Zalik and Franc Novak},
year = {2003},
url = {http://taylorandfrancis.metapress.com/openurl.asp?genre=article&issn=0020-7160&volume=80&issue=7&spage=811},
researchr = {https://researchr.org/publication/KaucicZN03},
cites = {0},
citedby = {0},
journal = {Int. J. Comput. Math.},
volume = {80},
number = {7},
pages = {811-814},
}