TY - GEN TY - GEN T1 - Excess coincidences of spontaneous and stimulated x rays T2 - Metrology Research Institute report A1 - Ikonen, Erkki, 1958- A2 - Ikonen, E. A2 - Helsinki University of Technology A2 - Metrology Research Institute LA - eng PP - Espoo PB - Helsinki University of Technology, Metrology Research Institute YR - 2003 UL - https://kansalliskirjasto.finna.fi/Record/fikka.3984491 ER -