AAGESEN, A. Department of Scientific and Industrial Research. Fuel Research: Rapid Survey of Coal Reserves and Production. A First Appraisal of Results. H. M. Stationery Office, London. 1946. 23 Sider + 5 Tabeller. Ledelse og Erhvervsøkonomi, [S. l.], v. 10, 1946. Disponível em: https://tidsskrift.dk/ledelseogerhvervsoekonomi/article/view/33250. Acesso em: 22 dec. 2024.