@article {kumar2010situ,
	title = {In situ characterization of fatigue damage evolution in a cast Al alloy via nonlinear ultrasonic measurements},
	journal = {Acta Materialia},
	volume = {58},
	number = {6},
	year = {2010},
	pages = {2143{\textendash}2154},
	publisher = {Pergamon},
	author = {Kumar, Anish and Torbet, Christopher J and Pollock, Tresa M and Jones, J Wayne}
}
@article {liu2008situ,
	title = {In situ imaging of high cycle fatigue crack growth in single crystal nickel-base superalloys by synchrotron X-radiation},
	journal = {Journal of Engineering Materials and Technology},
	volume = {130},
	number = {2},
	year = {2008},
	pages = {021008},
	publisher = {American Society of Mechanical Engineers},
	author = {Liu, Liu and Husseini, Naji S and Torbet, Christopher J and Kumah, Divine P and Clarke, Roy and Pollock, Tresa M and Jones, J Wayne}
}
