@ARTICLE{ppr:babbott:2005:6, title = {{U}pper {L}imits on a {S}tochastic {B}ackground of {G}ravitational {W}aves}, status = {lsc}, author = {B.~Abbott et al. (LSC Collaboration)}, journal = {Physical Review Letters}, volume = {95}, pages = {221101}, year = {2005}, }