NASA - National Aeronautics and Space Administration

Way, J., J. Paris, M. C. Dobson, K. McDonald, F. T. Ulaby, J. A. Weber, S. Ustin, V. Vanderbilt, and E. Kasischke (1991), Diurnal Change in Trees as Observed by Optical and Microwave Sensors: The EOS Synergism Study, IEEE Trans. Geosci. and Rem. Sensing, 29.6, 807-821.