TY - GEN TY - GEN T1 - Annual report. 1981 T2 - Report / Helsinki University of Technology. Laboratory of Physics A1 - Teknillinen korkeakoulu. A2 - Helsinki University of Technology A2 - Laboratory of Physics LA - eng PP - Espoo PB - [Teknillinen korkeakoulu] YR - 1982 UL - https://kansalliskirjasto.finna.fi/Record/fikka.3258969 ER -