TY - BOOK AU - Agarwal G S TI - Quantum optics: quantum statistical theories of spont aneous emission and their relation to REF approaches T2 - Springer tracts in modern physics; 70 U1 - CN1,5:72, L4 PY - 1974/// CY - Berlin PB - Springer-Verlag KW - Quantum statistical KW - Physics ER -