@Article{ghks-ggprp-96,
author = { Ervin Gy{\"o}ri and Frank Hoffmann and Klaus Kriegel and Tom Shermer },
title = { Generalized guarding and partitioning for rectilinear polygons },
journal = { Coputational Geometry: Theory and Applictions },
year = { 1996 },
volume = { 6 },
pages = { 21-44 },
}
