1. J. Kim, G. Wang, W. B. Dunbar, and K. Pedrotti, in 2010 International SoC Design Conference (ISOCC) (IEEE, 2010), pp. 424–427.
2. M. Hassan, N. Bushra, I. Haq, and F. Ahmed, in 2011 1st Middle East Conference on Biomedical Engineering (IEEE, 2011), pp. 386–391.
3. Development of an ultralow current amplifier for scanning tunneling microscopy
4. L. Nuo, M. Ai, and W. Jun, in 2015 12th IEEE International Conference on Electronic Measurement & Instruments (ICEMI) (IEEE, 2015), Vol. 2, pp. 1062–1066.
5. H. Gong, J. Li, and B. Shao, in 2013 IEEE Nuclear Science Symposium and Medical Imaging Conference (2013 NSS/MIC) (IEEE, 2013), pp. 1–2.