TY - BOOK ED - International Centre for Theoretical Physics TI - Theory of imperfect crystalline solids: Trieste lectures 1970 PY - 1971/// CY - Vienna PB - International Atomic Energy Agency KW - Energy KW - band theory of solids N1 - 'STI/PUB/270.'; 'Proceedings of the sixth course.'; 'Addenda and corrigenda': leaf inserted; Includes bibliographical references ER -