The Physical Significance of Birkhoff's Gravitational Equations
first edition Softcover
by Ives, Herbert E.
First Edition. Softcover. 8vo, paged 229-232; VG-; green cover with black print, bumped corners with some creasing, slight spotting; clean interior; "Reprinted from The Physical Review, Vol. 72, No. 3, pp. 229-232, August 1, 1947." 1293472. Rockville Non-Retail Listings. (Inventory #: 1293472)