@article { ISI:000188763800007,
	title = {Increase in the extraction efficiency of GaN-based light-emitting diodes via surface roughening},
	journal = {APPLIED PHYSICS LETTERS},
	volume = {84},
	year = {2004},
	month = {FEB 9},
	pages = {855-857},
	issn = {0003-6951},
	doi = {10.1063/1.1645992},
	author = {Fujii, T and Gao, Y and Sharma, R and Hu, E. L. and DenBaars, SP and Nakamura, S.}
}
