@conference {29041,
	title = {Robust piecewise monotonic approximation by software package L1PMA (L1PMA: Ένα πακέτο λογισμικού FORTRAN 77 για την κατά τμήματα μονότονη ανθεκτική προσέγγιση)},
	booktitle = {Proceedings of the 16th Hellenic Conference on Statistics, Kavala, Greek Statistical Institute},
	year = {2003},
	pages = {129-136},
	author = {I. C. Demetriou}
}
