Orlyuk, M., P. P. Melnik, A. A. Romenets, and L. I. Lishchetovich. “On the Effect of the Earth’s Magnetic Field on the Crop-Producing Power of Winter Wheat in the Territory of Ukraine”. Geofizicheskiy Zhurnal, vol. 34, no. 2, Apr. 2012, pp. 72-81, doi:10.24028/gzh.0203-3100.v34i2.2012.116612.