00340cam a2200169 450000500170000024500360001702000050005310000200005804400130007825000080009104100080009930000180010750000050012583000050013026000200013508200150015520260711133846.0 aExamen del Positivismo Logicob a aWeinberg, J. R. aEspaña a1ª aspa a410 p. 21 cm. a v abAguilarc1959 a146bW423e