Ison, C. S., 		Estacio, E. S., 		Bailon, M. F., AND 		Salvador, A. A..
" Observation of the Quantum-Confined Stark Effect in a GaAs/AlGaAs P-I-N Diode by Room Temperature Photocurrent Spectroscopy" <em>Science Diliman: A Journal of Pure and Applied Sciences</em> [Online], Volume 15 Number 1 (16 July 2007)