@article {pollock1992grain,
	title = {Grain defect formation during directional solidification of nickel base single crystals},
	journal = {Superalloys 1992},
	year = {1992},
	pages = {125{\textendash}134},
	publisher = {The Minerals, Metals and Materials Society Warrendale, PA},
	author = {Pollock, TM and Murphy, WH and Goldman, EH and Uram, DL and Tu, JS}
}
