537.622 Ant P Antwerp Advanced Study Institute on Physics of Polarons and Excitons in Polar Semiconductors and Ionic Crystals. (1962, July 26-August 5 : Belgium). Polarons and excitons in polar semiconductors and ionic crystals / Ed. by J.T. Devreese and F. Peeters’. Plenem Press : Plenum Press, 1984. XII, 471 p. : il. ; 30 cm. — (Nato ASI series, series B : Physics : v.108)