TY - BOOK AU - Stepin,L.D. TI - Quantum radio frequency physics SN - 3540562893 U1 - 537.534 PY - 1993/// CY - Berlin PB - M.I.T. Press KW - Quantum electrodynamics KW - Masers KW - Radiofrequency spectroscopy KW - Nuclear magnetic resonance KW - Electron paramagnetic resonance ER -