7Chibisov SM, Breus TK, Levitin AE. Biological Effects of Planetary Magnetic Storms[J]. Biophysics, 1995,40(5):959-968.
8Nelsson SO, Stenson ALE. Germination responses of selected plant species to RF electrical seed treatment [ J ]. Transactions of the ASAAE American. A Society of Agricultural Engineer, 1985,83 (2) :302 - 305.