The astronomical aspects of the theory of relativity.

SITTER, W. de.

University of California Press, Berkeley, 1933

26 cm. original wrappers. 56 pp. diagrams, tables. "University of California Publications in Mathematics" Volume 2, No. 8, pp. 143-196, 4 figures in text. -(some signs of use, wrappers damaged at top spine, otherwise good).