Agarwal, G. S. Quantum statistical theories of spontaneous emission and their relation to other approaches/ G. S. Agarwal. - Berlin: Springer-Verlag, 1974. - 135 p. ; 24 cm. - Springer tracts in modern physics vol. 70 . p. 126-128 ISBN: 3540066306 Subjects--Topical Terms: Quantum statistics