Pinker, R.T. and Laszlo, I. (1990). Global distribution of par as observed from satellite. Seventh Conference on Atmospheric Radiation, July 23-27, 1990. San Francisco, California. Sponsored by the American Meteorological Society, pages 243-246.
Pinker, R.T. and Laszlo, I. (1990)2018-04-172018-04-17https://ioccg.org/wp-content/uploads/2016/05/logo-ioccg-website.pngIOCCGhttps://ioccg.org/wp-content/uploads/2016/05/logo-ioccg-website.png200px200px