@ARTICLE{ppr:babbott:2004:4, title = {{S}etting upper limits on the strength of periodic gravitational waves from {PSR} {J}1939+2134 using the first science data from the {GEO} 600 and {LIGO} detectors}, status = {lsc}, author = {B.~Abbott et al. (LSC Collaboration)}, journal = {Physical Review D}, volume = {69}, pages = {082004}, year = {2004}, }