Guidelines for authors   The text of articles should be submitted in any common variant of TeX including LaTeX 2e, REVTeX and plain TeX. All original contributions will be submitted only by e-mail to Dr. Marian NEGREA (mnegrea@yahoo.com)
		Requests for further information or exceptions should be addressed to
		Dr. Marian NEGREA (mnegrea@yahoo.com) Editor-in-Chief of Physics AUC Department of Physics, University of Craiova 13 A.I. Cuza Street, Craiova 200585, Dolj, Romania Tel. 00 40 251 415077