Popper, Karl R.
Conjectures and refutations: the growth of scientific knowledge - London Routledge pub. 1972 - xiii, 431 p.
710065086
Theory of knowledge
121 / POP
Conjectures and refutations: the growth of scientific knowledge - London Routledge pub. 1972 - xiii, 431 p.
710065086
Theory of knowledge
121 / POP