Researchr is a web site for finding, collecting, sharing, and reviewing scientific publications, for researchers by researchers.
Sign up for an account to create a profile with publication list, tag and review your related work, and share bibliographies with your co-authors.
Leila De Floriani, Paola Magillo. Visibility Algorithms on Triangulated Digital Terrain Models. International Journal of Geographical Information Science, 8(1):13-41, 1994.