Joseph M. Piwowar, Ellsworth F. Ledrew, Douglas J. Dudycha. Integration of spatial data in vector and raster formats in a geographic information system environment. International Journal of Geographical Information Science, 4(4):429-444, 1990. [doi]
@article{PiwowarLD90,
title = {Integration of spatial data in vector and raster formats in a geographic information system environment},
author = {Joseph M. Piwowar and Ellsworth F. Ledrew and Douglas J. Dudycha},
year = {1990},
doi = {10.1080/02693799008941557},
url = {http://dx.doi.org/10.1080/02693799008941557},
researchr = {https://researchr.org/publication/PiwowarLD90},
cites = {0},
citedby = {0},
journal = {International Journal of Geographical Information Science},
volume = {4},
number = {4},
pages = {429-444},
}