John, S., Alici, G. & Cook, C. David. (2008). Frequency response of polypyrrole trilayer actuator displacement. International Symposium on Smart Structures and Materials, and Nondestructive Evaluation and Health Monitoring and Diagnostics (pp. 69271T-1-69271T). Bellingham, Washington, USA: SPIE.
John, S., Alici, G. & Cook, C. David. (2008). Frequency response of polypyrrole trilayer actuator displacement. International Symposium on Smart Structures and Materials, and Nondestructive Evaluation and Health Monitoring and Diagnostics (pp. 69271T-1-69271T). Bellingham, Washington, USA: SPIE.