Sirakov, K.
().
Optimization of the structure of a laboratory chamber for pre-sowing electromagnetic treatment of the seeds of vegetable crops. // <I>ELMA' 2015<D> : Fourteenth International conference on "Electrical machines, drives and power systems ELMA 2015", Varna, Bulgaria, 2015 : Proc. - Varna, 2015, p.227-230..