@conference {Darmofal_1993_VorticityDynamics_VBD,
	title = {The role of vorticity dynamics in vortex breakdown},
	booktitle = {AIAA conference paper},
	number = {AIAA-93-3036},
	year = {1993},
	keywords = {vortex breakdown},
	author = {Darmofal, D L}
}
