Chemical Physics Letters · 1981 · 47 citations · 20 references
Microwave SpectroscopyPhysicsNatural SciencesSpectroscopyMicrowave MeasurementDipole MomentMicrowave Engineering
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James D. Dill, Paul von Ragué Schleyer, J. A. Pople · Journal of the American Chemical Society · 1975 · 206 citations