BibTex format
@article{Ray:2003:10.1016/s0076-6879(03)70003-2,
author = {Ray, P and Klaholz, BP and Finn, RD and Orlova, EV and Burrows, PC and Gowen, B and Buck, M and van, Heel M},
doi = {10.1016/s0076-6879(03)70003-2},
journal = {Methods Enzymol},
pages = {24--42},
title = {Determination of Escherichia coli RNA polymerase structure by single particle cryoelectron microscopy.},
url = {http://dx.doi.org/10.1016/s0076-6879(03)70003-2},
volume = {370},
year = {2003}
}