Turner DP, Ritts WD, Cohen WB, et al. Evaluation of MODIS NPP and GPP products across multiple biomes. Remote Sensing of Environment. 2006;102:282 -292. doi:10.1016/j.rse.2006.02.017.

Cohen WB, Maiersperger TK, Turner DP, et al. MODIS land cover and LAI collection 4 product quality across nine sites in the western hemisphere. IEEE Transactions in Geosciences and Remote Sensing. 2006;44:1843 -1857. doi:10.1109/TGRS.2006.876026.

Lee K-S, Cohen WB, Kennedy RE, Maiersperger TK, Gower ST. Comparison of hyperspectral and multispectral data for estimating leaf area index in four biomes. Remote Sensing of Environment. 2004;91:508 -520. doi:10.1016/j.rse.2004.04.010.

Cohen WB, Maiersperger TK, Yang Z, et al. Comparisons of land cover and LAI estimates derived from ETM+ and MODIS for four sites in North America: a quality assessment of 2000/2001 provisional MODIS products. Remote Sensing of Environment. 2003;88:221 -362. doi:10.1016/j.rse.2003.06.006.

Milne BT, Cohen WB. Multiscale assessment of binary and continuous landcover variables for MODIS validation, mapping, and modeling applications. Remote Sensing of the Environment. 1999;70:82 -98. doi:10.1016/S0034-4257(99)00059-0.

Turner DP, Cohen WB, Kennedy RE, Fassnacht KS, Briggs JM. Relationships between leaf area index and Landsat TM spectral vegetation indices across three temperate zone sites. Remote Sensing of the Environment. 1999;70:52 -68. doi:10.1016/S0034-4257(99)00057-7.