Registros del 1 al 2 de 2 encontrados |
1.- Coal classification Carpenter, Anne M; Reino Unido London: IEA Coal Research, 1988 IEA Coal Research IV / 9 - 7 - 26| Ver registro
2.- Report of the fuel research board for the years 1920, 1921 Department of Scientific and Industrial Research; Reino Unido London: Hes Majesty's Stationery Office, 1922 C 471 - 30 Ver registro
|
|
|