BibTex format
@inproceedings{Kelsall:2004:10.1109/GROUP4.2004.1416644,
author = {Kelsall, RW and Ikonic, Z and Harrison, P and Lynch, SA and Townsend, P and Paul, DJ and Norris, DJ and Liew, SL and Cullis, AG and Li, X and Zhang, J and Bains, M and Gamble, HS},
doi = {10.1109/GROUP4.2004.1416644},
pages = {34--36},
publisher = {IEEE},
title = {Silicon germanium quantum cascade heterostructures for infra-red emission},
url = {http://dx.doi.org/10.1109/GROUP4.2004.1416644},
year = {2004}
}