Homo metaphysicus, with letters from K. R. Popper, V. Tonini, L. Pauling, J. Eccles, H. von Balthasar, P. Pavan - Pezzimenti, Rocco 1950-; Popper, Karl R. 1902-1994; Tonini, Valerio 1901-1992; Balthasar, Hans Urs von 1905-1988; Eccles, John C. 1903-1997; Pavan, Pietro 1903-1994 (Napoli [etc.] LER, 1992)
Keywords: Metafísica -- -Estudios