TY - GEN TY - GEN T1 - Photon induced relativistic band structure in dielectrics T2 - Preprint series in theoretical physics / University of Helsinki A1 - Cronström, Christofer, 1940- A2 - Noga, M. LA - eng PP - Helsinki PB - University of Helsinki. Institute for Theoretical Physics YR - 1976 UL - https://kansalliskirjasto.finna.fi/Record/fikka.3499004 NO - Moniste SN - 951-45-0875-0 nidottu ER -