MODIS VI Theoretical Basis document: http://modis.gsfc.nasa.gov/data/atbd/atbd_mod13.pdf
MODIS VI User’s Guide: http://www.ctahr.hawaii.edu/grem/mod13ug/
MOD13 VI C5 Changes Document: http://landweb.nascom.nasa.gov/QA_WWW/forPage/MOD13_VI_C5_Changes_Document_06_28_06.pdf
Data Access Tools
Data Pool: The Data Pool (On-line Archive): https://lpdaac.usgs.gov/lpdaac/get_data/data_pool
REVERB: The Next Generation Earch Science Discovery Tool: http://reverb.echo.nasa.gov/reverb/
WIST: The Warehouse Inventory Search Tool: https://wist.echo.nasa.gov/~wist/api/imswelcome
GloVis: The Global Visualization interface provides access to tiled MODIS products that have an associated browse image: http://glovis.usgs.gov/
MRTWeb: The MODIS Reprojection Tool Web interface provides access to all MRT services offered by the stand-alone MRT utility: http://mrtweb.cr.usgs.gov/
MODIS Reprojection Tool: Utilities to convert from Sinusoidal projection, subsetting, band extracting and format change from HDF-EOS (and more): https://lpdaac.usgs.gov/lpdaac/tools/modis_reprojection_tool
MODIS Project: http://modis.gsfc.nasa.gov/
MODIS Products: https://lpdaac.usgs.gov/lpdaac/products/modis_products_table
MODIS Land Discipline: http://modis-land.gsfc.nasa.gov
MODIS Land Data Discipline Team: http://landweb.nascom.nasa.gov/
HDF-EOS: http://www.hdfgroup.org/hdfeos.html