TY - GEN TY - GEN T1 - Studies of selection bias in applied statistics A1 - Eklund, Gunnar LA - eng PP - Uppsala PB - Almqvist & Wiksells boktr YR - 1959 UL - https://kansalliskirjasto.finna.fi/Record/fikka.192341 OP - 144 KW - statistics. ER -