About this article
Published Online: Oct 23, 2017
Page range: 2 - 12
Received: Nov 01, 2016
Accepted: Dec 21, 2016
DOI: https://doi.org/10.1515/awutp-2016-0002
Keywords
© 2016 Iordana Astefanoaei et al., published by De Gruyter Open
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.
Astefanoaei, Iordana
Physics Department, Alexandru Ioan Cuza UniversityIasi, Romania
Dumitru, Ioan
Physics Department, Alexandru Ioan Cuza UniversityIasi, Romania
Stancu, Alexandru
Physics Department, Alexandru Ioan Cuza UniversityIasi, Romania