00837nam a22002291a 4500 u5234 SIRSI 20250825175032.0 231124s1982 xxua r 000|0 eng c 0939204274 624.19 18 Shotcrete for underground support IV / Engineering Foundation New York, N.Y. : Engineering Foundation, 1982 191 pages : illustrations. text txt rdacontent unmediated n rdamedia volume nc rdacarrier Selected papers presented at the 1982 Engineering Conference Paipa, Boyacá, Colombia Construcciones subterráneas. localuoh Hormigón proyectado Congresos. localuoh Engineering Foundation Conference (1993 : Niagara-on-the-Lake, Canadá ) 3802 3802 2026-03-12 00:00:00 35672001369 624.19 E577f 1983 35672001369 1 2025-08-25 BOOK 0 0 0 COL_GRAL 0 BCENTRAL BCENTRAL 2023-11-24