@article{CSIS_2010_7_4_a9,
     author = {Tsung-Hung Lin and Cheng-Chi Lee and Chwei-Shyong Tsai and Shin-Dong Guo},
     title = {A {Tabular} {Steganography} {Scheme} for {Graphical} {Password} {Authentication}},
     journal = {Computer Science and Information Systems},
     publisher = {mathdoc},
     volume = {7},
     number = {4},
     year = {2010},
     url = {http://geodesic.mathdoc.fr/item/CSIS_2010_7_4_a9/}
}