Parton distributions in the virtual photon target up to NNLO in QCD Takahiro Ueda, Ken Sasaki and Tsuneo Uematsu Eur. Phys. J. C, 62 3 (2009) 467-480 Published online: 03 June 2009 DOI: 10.1140/epjc/s10052-009-1062-7