Observation of Ring Tubes from Carbon Soot
Wang Yu-Huang, Yu Rong-Qing, Huang Rong-Bin, Cheng Da-Dian, Zhan Meng-Xiong, Zheng Lan-Sun
Acta Phys. -Chim. Sin. . 1995, (07): 577 -578 .  DOI: 10.3866/PKU.WHXB19950701