Richard A. Kemmerer, Phillip A. Porras. Covert Flow Trees: A Visual Approach to Analyzing Covert Storage Channels. IEEE Trans. Software Eng., 17(11):1166-1185, 1991. [doi]
@article{KemmererP91, title = {Covert Flow Trees: A Visual Approach to Analyzing Covert Storage Channels}, author = {Richard A. Kemmerer and Phillip A. Porras}, year = {1991}, url = {http://www.computer.org/tse/ts1991/e1166abs.htm}, tags = {data-flow, systematic-approach}, researchr = {https://researchr.org/publication/KemmererP91}, cites = {0}, citedby = {0}, journal = {IEEE Trans. Software Eng.}, volume = {17}, number = {11}, pages = {1166-1185}, }