Serna, M.J. Porosity prediction using amplitude mapping. Case study of the Cretaceous M-2 Limestone member of the Napo Formation, Ecuador - Bogotá Asociación Colombiana de Geólogos y Geofísicos del Petróleo 1991 - pp. 29-37 ilus., maps. Subjects--Topical Terms: GEOLOGIA DEL PETROLEOPOROSIDAD Subjects--Geographic Terms: ECUADOR Subjects--Index Terms: FORMACION NAPO Universal Decimal Class. No.: R/061.3:553.98(8)/S56/4|33