TY - RPRT TI - Beam alignment techniques based on the current multiplication effect in photoconductors Third summary technical progress report, 15 Nov. 1966 - 15 Oct. 1967 AU - Allan, F. V. AU - Carvalho, R. AU - Ellis, C. B. AU - Grafstein, D. AU - Samuel, A. H. AU - Scanlon, J. H. PY - 1967 UR - https://ntrs.nasa.gov/citations/19680009660 ID - 19680009660 ER -