Hakutulokset - O<U+0092>Connor Peter A.

Bituminous shale Combustibles Combustibles fs̤iles Destilacin̤ de superficie en retorta Energy return from investment Esquistos bituminosos Fossil fuels Fuels Industria del petrl̤eo Industria petroqum̕ica Petrl̤eo de esquisto Petrochemical industry Petroleum industry Produccin̤ in situ Production in situ Retorno energťico de la inversin̤ Shale oil Surface distillation in retort