ROY, R.S. Study of Nuclear Spin Conservation in Ammonium Alkali Halide Crystals . Asian Journal of Chemistry, [S. l.], v. 14, n. 3, p. 1804–1806, 2010. Disponível em: https://asianpubs.org/index.php/ajchem/article/view/22501. Acesso em: 5 nov. 2024.