P. Nadolsky, H. Lai, Q. Cao, J. Huston, J. Pumplin, D. Stump, W. Tung, and C. Yuan. (2008)cite arxiv:0802.0007
Comment: 32 pages, 15 figures; figures with embedded fonts available at
http://hep.pa.msu.edu/cteq/public/6.6/pdfs/; extended discussion of small-x
strangeness, added references, minor changes in Figs. 2-4 in the revised
version.