HIGHSPIN MOLECULAR MAGNETISM OF SILICON SURFACES ArticleSheka E.F., Nikitina E.A., Zayets V.A.Surface Science. Vol. 532-535. 2003. P.. 754-758
ON BLACK HOLES AND WORMHOLES IN A BRANE WORLD ArticleBronnikov K.A., Kim S.-W.Journal of the Korean Physical Society. Vol. 45. 2004.