Angelov, B.
().
About the hierarchical relationship between the system for the conversion of matter, energy and information, the technical system and the executive organs of the technical system. // <I>MendelTech' 2012<D> : International scientifik conference MendelTech International, Brno, Czech Republic, 2012 : Proc. - Brno : Mendelova univerzita v Brne, 2012..