@conference {19818,
	title = {Formalising functional dependencies: The potential of technology},
	booktitle = {Proceedings of the Ninth Congress of the European Society for Research in Mathematics Education (CERME 9)},
	year = {2015},
	pages = {2388-2395},
	address = {Charles University, Prague},
	author = {G Psycharis},
	editor = {K Krainer and N Vondrov{\'a}}
}
