J2. W. Khalid, M.S. Mohamed Ali, M. Dahmardeh, Y. Choi, P. Yaghoobi, A. Nojeh, K. Takahata, “High-Aspect-Ratio, Free-Form Patterning of Carbon Nanotube Forests using Micro-Electro-Discharge Machining” Diamond and Related Materials, 9(11), 2010, pp. 1405-1410.