Astronomy
Astronomy
FRIEDMANN, ALEXANDER (+) ALBERT EINSTEIN.
Über die Krümmung des Raumes +..Berlin, Julius Springer, 1922-24.
MILNE, E.A. (EDWARD ARTHUR). - THE "COSMOLOGICAL PRINCIPLE".
Relativity Gravitation and Wor..Oxford, The Clarendon Press, 1935.
CHLADNI, ERNST FLORENS FRIEDRICH.
Berichtigung, einen angebliche..Halle, Rengerschen Buchhandlung, 1805.
BURRITT, ELIJAH H. - CELESTIAL ATLAS.
Atlas, designed to illustrate ..New York, Huntington and Savage, (1835 ?).
CHANDRASEKHAR, S. [SUBRAMANYAN] (+) RALPH E. WILLIAMSON
The Time of Relaxation of Stel..USA, [No printer], 1941.
GIACCONI, RICCARDO & HERBERT GURSKY & FRANK R. PAOLINI & BRUNO B. ROSSI.
Evidence for X Rays from Sourc..(New York), American physical Society, 1962.