@article { WOS:000416553400003,
	title = {Revealing the nonlinear response of a tunneling two-level system ensemble using coupled modes},
	journal = {PHYSICAL REVIEW MATERIALS},
	volume = {1},
	number = {1},
	year = {2017},
	month = {JUN 26},
	pages = {012601},
	issn = {2475-9953},
	doi = {10.1103/PhysRevMaterials.1.012601},
	author = {Kirsh, Naftali and Svetitsky, Elisha and Burin, Alexander L. and Schechter, Moshe and Katz, Nadav}
}
