@conference {19837,
	title = {Meanings for fraction as number-measure by exploring the number line},
	booktitle = {Proceedings of the Fifth Conference of the European Society for Research in Mathematics Education (CERME 5)},
	year = {2007},
	pages = {1499-1508},
	address = {Larnaca, Cyprus},
	author = {G Psycharis and M Latsi and C Kynigos},
	editor = {D Pitta-Pantazi and G Philippou}
}
