On Numerical Integration of Rays and Wavefront Propagation. Open PDF Document Details Document Type Technical Report Publication Date Nov 01, 1968 Accession Number ADA061983 Entities People M. M. Holl Tags Communities of Interest Air Platforms DTIC Thesaurus Topics Accuracy Analogs Consistency Continuity Curvature Differential Equations Discontinuities Equations Errors Geometry Numerical Integration Ray Tracing Reflection Refraction Schools Truncation Wavefronts