ORIENTATIONAL DYNAMICS OF SULPHATE IONS IN POTASH ALUM A. K. Sood, A. K. Arora, S. Dattagupta et G. VenkataramanJ. Phys. Colloques, 42 C6 (1981) C6-572-C6-574DOI: https://doi.org/10.1051/jphyscol:19816166