The Substance of Spacetime: Infinity, Nothingness, and the Nature of MattereBookThe Substance of Spacetime: Infinity, Nothingness, and the Nature of MatterkaryaAndrew Martin RyanPenilaian: 0 dari 5 bintang0 penilaianSimpan The Substance of Spacetime: Infinity, Nothingness, and the Nature of Matter untuk nanti