Effects of UV-B radiation on selected leaf pathogenci fungi and on disease severeity : final report
Washington, D.C, Agricultural Research, Science and Education Administration, [1971?]
1971
U.S. Department of Agriculture, National Agricultural Library
U.S. Department of Agriculture, National Agricultural Library
Rights:
The contributing institution believes that this item is not in copyright.
Copyright Status:
Not provided. Contact Holding Institution to verify copyright status.