NOOR, F. A.; ABDULLAH, M.; SUKIRNO, S.; KHAIRURRIJAL, K. Comparison of Electron Direct Tunneling Time in a Heterostructure with a Nanometer-Thick Trapezoidal Barrier Calculated Using Exponential and Airy Wavefunctions. Indonesian Journal of Physics, v. 18, n. 1, p. 1-4, 3 nov. 2016.