BibTex format
@article{de:2001:10.1023/a:1011650102989,
author = {de, la Force C and Spencer, R and Stirling, A and Garrett, M and Fender, R},
doi = {10.1023/a:1011650102989},
journal = {Astrophysics and Space Science},
pages = {121--122},
title = {VLBA Observations of the Superluminal Radio Jet from Cygnus X-1 in the Low/Hard X-ray State},
url = {http://dx.doi.org/10.1023/a:1011650102989},
volume = {276},
year = {2001}
}