TY - GEN TY - GEN T1 - Gravitational and colour interactions as different aspects of the same basic interaction T2 - Preprint series in theoretical physics / University of Helsinki A1 - Pitkänen, Matti, 1950- LA - eng PP - Hki PB - University of Helsinki. Research Institute for Theoretical Physics YR - 1982 UL - https://kansalliskirjasto.finna.fi/Record/fikka.3322210 SN - 951-45-2750-X nidottu ER -