El Hamaoui, B., Zhi, L. J., Wu, J. S., Kolb, U., & Müllen, K. (2005). Uniform carbon and carbon/cobalt nanostructures by solid-state thermolysis of polyphenylene dendrimer/cobalt complexes. Advanced Materials, 17(24), 2957-2960. doi:10.1002/adma.200501733.