DO Collaboration Phys. Rev. D74, 031107 (2006)
Citation check: Okay.
DO Collaboration, (V. Abazov etal), DO Note 5344-CONF (2007).

Belle Collaboration Phys. Rev. D76, 012002 (2007)
Citation check: Okay.
Belle Collaboration Phys. Rev. Lett. 100, 121801 (2008)
Citation check: Okay.
CDF Collaboration Phys. Rev. Lett. 100, 101802 (2008)
Citation check: Okay.
CDF Collaboration, talk by R.~Harr presented at ICHEP08 (2008).

CDF Collaboration Phys. Rev. Lett. 95, 031801 (2005)
Citation check: Okay.
CDF Collaboration arXiv:0804.3908
Nope, not published.
CDF Collaboration hep-ex/0612018
Yes, this one got published:
hep-ex/0612018 .... Nucl.Phys.Proc.Suppl.170:39-45,2007