TY - GEN TY - GEN T1 - A descriptive model of aggression and non-aggression with applications to children's behaviour T2 - Reports from the Department of psychology, University of Jyväskylä A1 - Pulkkinen, Lea, 1939- A2 - Pitkänen, Lea LA - eng PP - Jyväskylä, YR - 1969 UL - https://kansalliskirjasto.finna.fi/Record/fikka.3401646 NO - Tekijän myöhempi nimi: Lea Pulkkinen. NO - Appendices. B. Tables and figures. C. Question series 1-3 and instructions. ER -