Dunk, Paul W.; Kaiser, Nathan K.; Mulet-Gas, Marc; Rodríguez-Fortea, Antonio; Poblet, Josep M.; Shinohara, Hisanori; Hendrickson, Christopher L.; Marshall, Alan G.; Kroto, Harold W. (May 2012). "The Smallest Stable Fullerene, M@C28 (M = Ti, Zr, U): Stabilization and Growth from Carbon Vapor". Journal of the American Chemical Society. 134 (22). American Chemical Society (ACS): 9380–9389. Bibcode:2012JAChS.134.9380D. doi:10.1021/ja302398h. PMID22519801.
Guo, Ting; Diener, M. D.; Chai, Yan; Alford, M. J.; Haufler, R. E.; McClure, S. M.; Ohno, T.; Weaver, J. H.; Scuseria, G. E.; Smalley, R. E. (September 1992). "Uranium Stabilization of C28: A Tetravalent Fullerene". Science. 257 (5077). American Association for the Advancement of Science (AAAS): 1661–1664. Bibcode:1992Sci...257.1661G. doi:10.1126/science.257.5077.1661. JSTOR2880125. PMID17841162.
Dunk, Paul W.; Kaiser, Nathan K.; Mulet-Gas, Marc; Rodríguez-Fortea, Antonio; Poblet, Josep M.; Shinohara, Hisanori; Hendrickson, Christopher L.; Marshall, Alan G.; Kroto, Harold W. (May 2012). "The Smallest Stable Fullerene, M@C28 (M = Ti, Zr, U): Stabilization and Growth from Carbon Vapor". Journal of the American Chemical Society. 134 (22). American Chemical Society (ACS): 9380–9389. Bibcode:2012JAChS.134.9380D. doi:10.1021/ja302398h. PMID22519801.
Guo, Ting; Diener, M. D.; Chai, Yan; Alford, M. J.; Haufler, R. E.; McClure, S. M.; Ohno, T.; Weaver, J. H.; Scuseria, G. E.; Smalley, R. E. (September 1992). "Uranium Stabilization of C28: A Tetravalent Fullerene". Science. 257 (5077). American Association for the Advancement of Science (AAAS): 1661–1664. Bibcode:1992Sci...257.1661G. doi:10.1126/science.257.5077.1661. JSTOR2880125. PMID17841162.
Guo, Ting; Diener, M. D.; Chai, Yan; Alford, M. J.; Haufler, R. E.; McClure, S. M.; Ohno, T.; Weaver, J. H.; Scuseria, G. E.; Smalley, R. E. (September 1992). "Uranium Stabilization of C28: A Tetravalent Fullerene". Science. 257 (5077). American Association for the Advancement of Science (AAAS): 1661–1664. Bibcode:1992Sci...257.1661G. doi:10.1126/science.257.5077.1661. JSTOR2880125. PMID17841162.
Dunk, Paul W.; Kaiser, Nathan K.; Mulet-Gas, Marc; Rodríguez-Fortea, Antonio; Poblet, Josep M.; Shinohara, Hisanori; Hendrickson, Christopher L.; Marshall, Alan G.; Kroto, Harold W. (May 2012). "The Smallest Stable Fullerene, M@C28 (M = Ti, Zr, U): Stabilization and Growth from Carbon Vapor". Journal of the American Chemical Society. 134 (22). American Chemical Society (ACS): 9380–9389. Bibcode:2012JAChS.134.9380D. doi:10.1021/ja302398h. PMID22519801.
Guo, Ting; Diener, M. D.; Chai, Yan; Alford, M. J.; Haufler, R. E.; McClure, S. M.; Ohno, T.; Weaver, J. H.; Scuseria, G. E.; Smalley, R. E. (September 1992). "Uranium Stabilization of C28: A Tetravalent Fullerene". Science. 257 (5077). American Association for the Advancement of Science (AAAS): 1661–1664. Bibcode:1992Sci...257.1661G. doi:10.1126/science.257.5077.1661. JSTOR2880125. PMID17841162.