Introduction
This study comprises the information which is intended for the use by the individuals exhibiting interest in given topic. Therefore, the language of this study was simplified to a maximum extent so that it could be easily understood by those that do not hold degree in related area, that is, in physics. Nevertheless, corresponding links to appropriate research works with similar focus were provided for the purpose of assisting the reader in gaining better understanding of the aim of the present study as well as complementing this purely quantitative description.
