1. Molecular microwave oscillator and new hyperfine structure in the microwave spectrum of NH3;Gordon;Phys. Rev.,1954
2. Application of molecular beams to the radio spectroscopic study of the rotation spectra of molecules;Basov;Zh. Eksp. Theo. Fiz.,1954
3. Laser conditions in semiconductors;Bernard;Phys. Status Solidi,1961
4. Interband transitions and maser action;Dumke;Phys. Rev.,1962
5. Coherent light emission from GaAs junctions;Hall;Phys. Rev. Lett.,1962