TY - BOOK ED - American Concrete Institute ED - American Institute of Steel Construction ED - American Iron and Steel Institute TI - High-performance construction materials and systems: An essentialprogram for america and its infrastructure SN - 0872629384 AV - TA440 H544 PY - 1993/// CY - New York PB - Aci KW - Concreto KW - Normas KW - Estados Unidos KW - Acero de construcción KW - Construcciones de concreto KW - Construcción de hierro y acero N1 - En la portada: executive report, report no. 93-5011.e, april 1993 ER -