TY  - RPRT
TI  - An application of spectrographic microphotometric scanning
AU  - Clarence Almon Waring
AU  - Mona Franck
AU  - A.M. Sherwood
PY  - 1956
DO  - 10.3133/b1036e
UR  - https://pubs.usgs.gov/publication/b1036E
ID  - b1036E
ER  -