Wronski, C. R.; Collins, R. W. & Fonash, S. J. Wide-band-gap solar cells with high stabilized performance. Annual subcontract report, July 15, 1994--July 14, 1995, report, November 1, 1995; (https://digital.library.unt.edu/ark:/67531/metadc624656/m1/2/: accessed May 19, 2019), University of North Texas Libraries, Digital Library, digital.library.unt.edu; .