1. Betrage zur theorie der microscope und der microscopischen wahrnehmung;Abbe;Archiv für Mikroskopische Anatomie,1873
2. Quantum statistical theories of spontaneous emission and their relation to other approaches;Agarwal,1974
3. Subwavelength atom localization via coherent population trapping;Agarwal;Journal of Physics B,2006
4. Coherent population trapping in laser spectroscopy;Arimondo,1996