Relativity and the Question of Discretization in Astronomy: Springer Tracts in Natural Philosophy VOlume 20.
New York: Springer-Verlag, 1970. 8vo. 186 pp. Sunning to spine. Corners and spine ends lightly bumped and worn. Light rubbing to covers. Foxing to top fore-edge. Otherwise book is fresh and clean. Near Fine Cloth (Item ID: 62157)