主题：【求助】（已应助）麻烦查几篇文献！

1 Leff B., N. Ramankutty, J. A. Foley (2004), Geographic distribution of major crops across the world, Global Biogeochem. Cycles, 18, GB1009, doi:10.1029/2003GB002108.
http://www.agu.org/servlet/EASI/search

2 Vose R. S., D. R. Easterling, B. Gleason (2005), Maximum and minimum temperature trends for the globe: An update through 2004, Geophys. Res. Lett., 32, L23822, doi:10.1029/2005GL024379.
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3 Stone D., A. J. Weaver (2002), Daily Maximum and Minimum Temperature Trends in a Climate Model, Geophys. Res. Lett., 29 (9), 1356, doi:10.1029/2001GL014556.
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4 Lobell D. B., C. Bonfils, P. B. Duffy (2007), Climate change uncertainty for daily minimum and maximum temperatures: A model inter-comparison, Geophys. Res. Lett., 34, L05715, doi:10.1029/2006GL028726.
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麻烦了！谢谢！