Lower bounds on stabbing lines in 3-space

M. Pellegrini
1993 Computational geometry  
Pellegrini, M., Lower bounds on stabbing lines in 3-space, Computational Geometry: Theory and Applications 3 (1993) 53-58.
doi:10.1016/0925-7721(93)90030-a fatcat:udu4afudfndkpnmbqeuu4lshwi