EINSTEIN, Albert. “Quantentheorie des einatomigen idealen Gases” (“Quantum Theory of the Monatomic Ideal Gas”) in Sitzungsberichte der Königlich Preussischen Akademie der Wissenschaften, Physikalisch-mathematische Klasse, 1924, pp. 261–267 in the volume of pp CXLIX, 360. .Bound in the original publisher's cloth and marbled boards with cloth tips, in near fine condition. $500.00

“This is the first of three papers by Einstein on Bose-Einstein condensation, the phenomenon that causes bosons to become a superfluid at low temperatures.”