Edgar Zilsel ; foreword by Joseph Needham ; introduction by Diederick Raven & Wolfgang Krohn ; edited by Diederick Raven, Wolfgang Krohn, and Robert S. CohenKluwer Academic Publishersc2003
Edgar Zilsel ; foreword by Joseph Needham ; introduction by Diederick Raven & Wolfgang Krohn ; edited by Diederick Raven, Wolfgang Krohn, and Robert S. CohenKluwer Academic Publishersc2000