OLESEN, Bent. Hams Brems: Output, Employment, Capital and Growth. Harper and Brothers, 1959. Ledelse og Erhvervsøkonomi, [S. l.], v. 25, 1961. Disponível em: https://tidsskrift.dk/ledelseogerhvervsoekonomi/article/view/33881. Acesso em: 7 dec. 2025.