00516nab a2200169 4500 20260520001719.0 260224s xxu Investigating variable speed options 28/08/2007 ; 28/08/2007 4 p. Hydrocarbon engineering Vol. 12, no. 8 (agos. 2007) ; p. 83-87 ARTICULO Ghaisas, Neetin 38516 Mosher, Rod 38517 Mueller, Alfred 38518 166939 166939 0 0 0 0 234758 BAAB BAAB 2026-03-05 200041679 0 200041679 2026-03-05 14:46:24 2026-03-05 ARTICULO