TY - BOOK AU - "United Nations , Economic and Social Development (Deptt. of -)" ED - "United Nations , Economic and Social Development (Deptt. of -)" TI - Prospects for photovoltaics T2 - "U N , Advanced Technology Assessment System , 8" U1 - "X0gF, N2/UN" PY - 1992/// CY - New PB - York U N KW - Economic IRT Technology ER -