By Hamdan N.   Altorra A.   Salman H. A.   in Physics Essays

ISSN:0836-1398|20|4|600-609

Physics Essays Publication‎(2007)‎

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By Altorra Ayman H.   in Physics Essays

ISSN:0836-1398|22|2|160-163

Physics Essays Publication‎(2009)‎

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