@mastersthesis {Darmofal_1993_PhD,
	title = {A Study of the Mechanisms of Axisymmetric Vortex Breakdown},
	year = {1993},
	month = {December},
	school = {Massachusetts Institute of Technology},
	type = {phd},
	url = {http://hdl.handle.net/1721.1/12208},
	author = {Darmofal, D L}
}
