@article {8623,
	title = {Multiphoton processes in microwave photoresistance of two-dimensional electron systems},
	journal = {Physical Review B - Condensed Matter and Materials Physics},
	year = {2006},
	doi = {10.1103/PhysRevB.73.041303},
	author = {M.A. Zudov and R.R. Du and L.N. Pfeiffer and K.W. West}
}
