Estimating the transit time of an AlyGa1-yAs HBT in the Gaussian doped base region for low to moderately high level of injection (2015) 8th International Conference on Electrical and Computer Engineering: Advancing Technology for a Better Tomorrow, ICECE 2014, art. no. 7027024, pp. 800-803

Jahan, N., Mannan, R.A., Biswas, P., Arafat, Y.