1. Far Infrared Transmission through Metal Light Pipes*
2. The vibrational spectra of dichloro-, dibromo-, diiodo-, bromochloro- and chloroiodoacetylene
3. Christensen, D.H., T. Stroyer-Hansen, E.E. Tucker, P. Klaboe and E. Kloster-Jensen, to be published.
4. Direct Observation of the Infrared Torsional Spectrum of C2H6, CH3CD3, and C2D6
5. Internal Barrier in Ethane