TY - BOOK ED - American Concrete Institute TI - Fly ash, silica fume, slag, and natural pozzolans in concrete: Proceedings second international conference madrid, spain, 1986 T2 - Publication SP AV - TP884.A3 F59 1986 PY - 1986/// CY - Detroit PB - American concrete institute KW - Concreto KW - Aditivos KW - Congresos KW - Cenizas volantes KW - Humo de sílice KW - Escoria KW - Minerales industriales ER -