Å mÃd Jaroslav; Sakál Peter - In: Research Papers Faculty of Materials Science and … 18 (2010) 29, pp. 77-81
<p>The formation of appropriate conditions can accelerate the society development. According to the existing definitions, the society can be viewed as mankind as a whole, or a state, a region or a group of businessmen. This paper extends and supplements of the contribution [1]. It deals with the...</p>