TY - BOOK ED - National Steel Construction Conference ED - American Institute of Steel Construction TI - 1991 National Steel Construction Conference, Sheraton Washington, Hotel, Washington, D. C., June 5-7: proceedings AV - TA684 N23 1991 PY - 1991/// CY - Chigago, Illinois PB - American Institute of Steel Construction KW - Construcción de hierro y acero KW - Congresos ER -