@misc{indiciae1c90d5cc6f00, title = {Data base design for a worldwide multicrop information system}, author = {Driggers, W. G. and Downs, J. M. and Hickman, J. R. and Packard, R. L.}, year = {1979}, url = {https://ntrs.nasa.gov/citations/19800007262}, note = {Source identifier: 19800007262} }