@INPROCEEDINGS{Skarbe93,
AUTHOR = "Skarbek W., Pietrowcew, A.",
TITLE = "Error Diffusion in Block Truncation Coding",
BOOKTITLE = "Proceedings of CAIP'93, Computer Analysis of Images and Patterns",
EDITOR = "Chetverikov D., Kropatsch W. G.",
MONTH = "September ",
PUBLISHER = "Springer Verlag",
SERIES = "Lecture Notes in Computer Science",
VOLUME = "719",
YEAR = "1993",
}