BibTex format
@inproceedings{Heilemann:2007:10.1117/12.729521,
author = {Heilemann, M and Lymperopoulos, K and Wigneshweraraj, SR and Buck, M and Kapanidis, AN},
doi = {10.1117/12.729521},
publisher = {SPIE-INT SOC OPTICAL ENGINEERING},
title = {Studying σ<SUP>54</SUP>-dependent transcription at the single-molecule level using alternating-laser excitation (ALEX) spectroscopy},
url = {http://dx.doi.org/10.1117/12.729521},
year = {2007}
}