Xu, Xiaoyou; Ray, Robert; Gu, Yunlong; Ploehn, Harry J.; Gearheart, Latha; Raker, Kyle; Scrivens, Walter A. (2004). "Electrophoretic Analysis and Purification of Fluorescent Single-Walled Carbon Nanotube Fragments". Journal of the American Chemical Society. 126 (40): 12736–7. doi:10.1021/ja040082h. PMID15469243.
Xu, Xiaoyou; Ray, Robert; Gu, Yunlong; Ploehn, Harry J.; Gearheart, Latha; Raker, Kyle; Scrivens, Walter A. (2004). "Electrophoretic Analysis and Purification of Fluorescent Single-Walled Carbon Nanotube Fragments". Journal of the American Chemical Society. 126 (40): 12736–7. doi:10.1021/ja040082h. PMID15469243.