Object Representation by Means of Nonminimal Division Quadtrees and Octrees. - Dolors Ayala; Pere Brunet; R. Juan; Isabel Navazo (ACM Trans. Graph., 1985)

Boundary to Constructive Solid Geometry: A Step Towards 3D Conversion. - R. Juan (Eurographics, 1988)

Well designed volume - suitable for researchers, designers and implementers of solid modellers : Geometric and solid modelling: an introduction C M Hoffmann Morgan Kaufmann (1989) 338 pp. - R. Juan (Comput. Aided Des., 1990)