الإتاحة: https://doi.org/10.1557/proc-472-293Testhttps://www.cambridge.org/core/services/aop-cambridge-core/content/view/S1946427400232181Test
الإتاحة: https://doi.org/10.1557/proc-472-203Testhttps://www.cambridge.org/core/services/aop-cambridge-core/content/view/S1946427400232053Test
الإتاحة: https://doi.org/10.1063/1.116564Testhttps://pubs.aip.org/aip/apl/article-pdf/68/23/3251/18519302/3251_1_online.pdfTest