TY - RPRT TI - High-efficiency double-heterostructure AlGaAs/GaAs solar cells AU - Gale, R. P. AU - Fan, John C. C. AU - Turner, G. W. AU - Chapman, R. L. PY - 1985 UR - https://ntrs.nasa.gov/citations/19870032586 ID - 19870032586 ER -