@book{14925,
	author = {Antwerp Advanced Study Institute on Fröhlich Polarons and Electron-Phonon Interaction in Polar Semiconductors and Devreese, J. T.},
	title = {Polarons in ionic crystals and polar semiconductors.},
	publisher = {North-Holland Pub. Co.;},
	year = {1972.},
	address = {Amsterdam ;}
}