Defining shaded spectra by model inversion for spectral unmixing of hyperspectral datasets - theory and preliminary application. - H. Peter White; Jean-Claude Deguise; John W. Schwarz; Robert Hitchcock; Karl Staenz (IGARSS, 2002)

Wheat Crop Chlorophyll Content Estimation From Ground-Based Reflectance Using Chlorophyll Indices. - Abderrazak Bannari; K. Shahid Khurshid; Karl Staenz; John W. Schwarz (IGARSS, 2006)

A Comparison of Hyperspectral Chlorophyll Indices for Wheat Crop Chlorophyll Content Estimation Using Laboratory Reflectance Measurements. - Abderrazak Bannari; K. Shahid Khurshid; Karl Staenz; John W. Schwarz (IEEE Trans. Geosci. Remote. Sens., 2007)