00433nab a2200145 4500 20260608201611.0 260224s xxu E&C contractors face tight margins, more risk 30/01/2008 ; 10/12/2003 6 p. Oil & Gas Journal Vol. 101.45 (24 nov. 2003) ; p. 20-26 ARTICULO Stell, Jeannie 19167 153174 153174 0 0 0 0 220993 CBAAB CBAAB 2026-03-05 200029306 0 200029306 2026-03-05 00:34:25 2026-03-05 ARTICULO