@article {das2009femtosecond,
	title = {Femtosecond laser machining of cooling holes in thermal barrier coated CMSX4 superalloy},
	journal = {Journal of Materials Processing Technology},
	volume = {209},
	number = {15},
	year = {2009},
	pages = {5661{\textendash}5668},
	publisher = {Elsevier},
	author = {Das, Dipak K and Pollock, Tresa M}
}
