RT Book T1 Conjectures and refutations: the growth of scientific knowledge A1 Popper, Karl R. 1902-1994 LA English PP London PB Routledge and Kegan Paul YR 1969 ED 3. ed., rev. UL https://ixtheo.de/Record/022317961 NO Im Buch nur SBN 7100-6507-8 CN BD241 SN 0710065078 K1 Methodology K1 Knowledge, Theory of K1 Science : Methodology K1 Prediction (Logic)