Behavior of the inorganic chemistry of bituminous coals in the Checua - Lenguazaque syncline за авторством Herrera Carvajal, David Alejandro, Rincón Bayona, John Elkin, Sánchez, Sandra Manosalva

Предмети: “...química inorgánica del carbón, sinclinal Checua – Lenguazaque...”