1. The lives of electron microscope filaments
2. Some experimental and estimated characteristics of the lanthanum hexaboride rod cathode electron gun
3. Microcircuits by Electron Beam
4. Chang T., Wilson A., Speth A. and Ting C., 1976a, 7th Int. Conf. on Electron and Ion Beam Science and Technology, p. 392.
5. Chang T., Speth A., Ting C., Viswanathan R. and Parikh M., 1976b, 7th Int. Conf. on Electron and Ion Beam Science and Technology.