A CSG Scanline Algorithm for Quadrics. - Reinier van Kleij; Ronald Roussou (Modeling in Computer Graphics, 1991)

A Multiprocessor System for Displaying Quadric CSG Models. - Reinier van Kleij; Frido Kuijper (CONPAR, 1992)

Performance of scanline algorithms for direct display of CSG. - Reinier van Kleij; Willem F. Bronsvoort (Vis. Comput., 1994)