TY  - RPRT
TI  - Gridding of near vertical unrectified space photographs
AU  - Richard H. Rapp
AU  - William H. Sprinsky
PY  - 1968
DO  - 10.3133/ofr68222
UR  - https://pubs.usgs.gov/publication/ofr68222
ID  - ofr68222
ER  -