Edward Sobiesk, Gregory J. Conti. The Cost of Free Web Tools. IEEE Security & Privacy, 5(3):66-68, 2007. [doi]
@article{SobieskC07, title = {The Cost of Free Web Tools}, author = {Edward Sobiesk and Gregory J. Conti}, year = {2007}, doi = {10.1109/MSP.2007.74}, url = {http://dx.doi.org/10.1109/MSP.2007.74}, researchr = {https://researchr.org/publication/SobieskC07}, cites = {0}, citedby = {0}, journal = {IEEE Security & Privacy}, volume = {5}, number = {3}, pages = {66-68}, }