Shi-Kuo Chang, Genny Tortora, Bing Yu, Angela Guercio. Icon Purity - toward a Formal Theory of Icons. IJPRAI, 1(3-4):377-392, 1987. [doi]
@article{ChangTYG87,
title = {Icon Purity - toward a Formal Theory of Icons},
author = {Shi-Kuo Chang and Genny Tortora and Bing Yu and Angela Guercio},
year = {1987},
doi = {10.1142/S0218001487000254},
url = {http://dx.doi.org/10.1142/S0218001487000254},
researchr = {https://researchr.org/publication/ChangTYG87},
cites = {0},
citedby = {0},
journal = {IJPRAI},
volume = {1},
number = {3-4},
pages = {377-392},
}