Phuc, Pham Hong, Dinh Khac Toan, Dang Bao Lam, Nguyen Tuan Khoa, and Nguyen Tien Dung. 2012. “Design and Fabrication of the Trapezoidal Electrostatic Comb-Drive Actuator”. Vietnam Journal of Mechanics 34 (4). Hanoi, Vietnam:261-69. https://doi.org/10.15625/0866-7136/34/4/2338.