TY - GEN TY - GEN T1 - Geometrodynamics T2 - Report / Helsinki University of Technology. Laboratory of Physics A1 - Pitkänen, Matti, 1950- LA - eng PP - Espoo PB - [Helsinki University of Technology] YR - 1981 UL - https://kansalliskirjasto.finna.fi/Record/fikka.3257712 NO - This article is submitted for publication in a periodical. ER -