@techreport{LPDAAC2011,
author = {LPDAAC},
title= {Land Processes Distributed Active Archive Center: MODIS Terra Vegetation Indices (NDVI) 16-Day L3 Global 500m SIN Grid V005 (MOD13A1). [electronic resource]},
year = {2011},
URL = {www.lpdaac.usgs.gov},
publisher = {U.S. Geological Survey (USGS) Earth Resources Observation and Science (EROS) Center},
address = {Sioux Falls, SD},
}