A Sukjbir Singh creator text xx New Dehi P S Rastogi For Rastogi And Co. 1979 9999 monographic und ENG VII 21CM Political SciencePolitical Theories And IdeologiesSUMMARY OF ATOMIC AND MOLECULAR STRUCTURE, LIGHT SOURCES AND DETECTORS, DISPERSION AND RESOLVING POWER. PRISM SPECTROGRAPHS, DIFFRACTION GRATINGS, INTERFEROMETERS, MICROWAVE AND RADIOFREQUENCY SPECTROSCOPY, WIDTH AND SHAPE OF SPECTRAL LINES, EMISSION AND ABSORPTION OF LINE RADIATION, EEXPERIMENTAL DETERMINATION OF TRANSITION PROBABILITIES AND RADIATIVE LIFETIMES, ELEMENTARY PLASMA SPECTROSCOPY 320.5 SUK-A 210323