TY  - RPRT
TI  - Digital shaded-relief image of the Mediterranean Sea floor available as continuous-tone photographic prints from a film-recorder negative
AU  - R. K. Mark
AU  - Richard J. Pike
AU  - Chip P. Stevens
PY  - 1991
DO  - 10.3133/ofr91428
UR  - https://pubs.usgs.gov/publication/ofr91428
ID  - ofr91428
ER  -