@article{noauthor_donald_1999,
	title = {Donald {E}. {Seymour} {Joins} {IMS} {Advisory} {Board}},
	volume = {20},
	language = {eng},
	number = {4},
	journal = {Montessori Observer},
	month = nov,
	year = {1999},
	pages = {1, 4}
}