Title: Model of error propagation from digital elevation models to viewsheds
Description: <a href="http://uf.catalog.fcla.edu/uf.jsp?st=UF002046069&ix=nu&I=0&V=D&pm=1" rel="nofollow">http://uf.catalog.fcla.edu/uf.jsp?st=UF002046069&ix=nu&I=0&V=D&pm=1</a>