J. Cleary/G. Wyvill: Analysis of an algorithm for fast ray tracing using
uniform space subdivision. Visual Computer 4 (1988), 65-83.

J. Kajiya: Ray tracing parametric patches. 
Computer Graphics 16 (1982), 245-254.

T. Kay/J. Kajiya: Ray tracing complex scenes. Computer Graphics 20 (1986), 269-...

C. Lindley: Practical ray tracing in C.
Wiley 1992, 528p. DM 108.

D. Rogers: Procedural elements for computer graphics. McGraw-Hill 1985.

S. Roth: Ray casting for modeling solids.
Computer Graphics and Image Processing 18 (1982), 109-144.

J. Snyder/A. Barr: Ray tracing complex models containing surface tessellations.
ACM Computer Graphics 21 (1987), 119-128.

C. Watkins/S. Coy/M. Finlay: Fotorealismus und ray tracing in C.
Heise 1993, 470p. DM 88. 

C.G. Yang: On speeding up ray tracing of B-spline surfaces.
Computer Aided Design 19 (1987), 122-130.

C.G. Yang: Illumination models for generating images of curved surfaces.
Computer Aided Design 20 (1987), 544-554.