TY  - RPRT
TI  - MacRay; interactive two-dimensional seismic raytracing for the Macintosh
AU  - James Howard Luetgert
PY  - 1992
DO  - 10.3133/ofr92356
UR  - https://pubs.usgs.gov/publication/ofr92356
ID  - ofr92356
ER  -