@book {5031,
	title = {The book of steps: the Syriac Liber Graduum},
	series = {Cistercian studies series},
	number = {196},
	year = {2004},
	publisher = {Cistercian Publications},
	organization = {Cistercian Publications},
	address = {Kalamazoo},
	keywords = {Spirituality},
	isbn = {9780879076962},
	author = {Robert Kitchen and Martinus Franciscus Georgius Parmentier}
}
