TY  - RPRT
TI  - Data base design for a worldwide multicrop information system
AU  - Driggers, W. G.
AU  - Downs, J. M.
AU  - Hickman, J. R.
AU  - Packard, R. L.
PY  - 1979
UR  - https://ntrs.nasa.gov/citations/19800007262
ID  - 19800007262
ER  -