SURFACE POLARITONS IN IRRADIATED α-QUARTZ V. Umadevi, R. Kesavamoorthy, A. K. Sood et G. VenkataramanJ. Phys. Colloques, 42 C6 (1981) C6-81-C6-83DOI: https://doi.org/10.1051/jphyscol:1981625