TY - `BOOK` AU - Popper, Karl R. TI - Conjectures and refutations : the growth of scientific knowledge ET - 2. ed., rev. PB - Routledge and Kegan Paul CY - London PY - 1965 LA - eng SE - XIII, 417 S. KW - Erkenntnistheorie KW - Wissenschaftsphilosophie CN - 68 B 794 CN - <ES> 28641 Popp/CR CN - <PI> B 2146,4a AN - UBHD-1035797 ER -