BREUNING MADSEN, H. Michael A. Wilson: N.M.R. techniques and applications in geochemistry and soil chemistry. Geografisk Tidsskrift - Danish Journal of Geography, [S. l.], v. 88, 1988. Disponível em: https://tidsskrift.dk/geografisktidsskrift/article/view/44595. Acesso em: 20 may. 2024.