@ARTICLE{Skarbe89,
AUTHOR = "Skarbek W., Agui T., Nakajima M.",
TITLE = "Compression of Dithered Binary Images Using Hilbert Scan",
JOURNAL = "Trans. of IEICE",
NUMBER = "11",
PAGES = "1235-1242",
VOLUME = "E72",
YEAR = "1989",
}