Nuclear magnetic spectroscopy, B.E. Mann; nuclear quadrupole resonance spectroscopy, K.B. Dillon; rotational spectroscopy, J.H. Carpenter; characteristic vibrations of compounds of main group elements, G. Davidson; vibrational spectra of transition element compounds, G. Davidson; vibrational spectra of some co-ordinated ligands, G. Davidson; Moessbauer spectroscopy, S.J. Clark et al; gas-phase molecular structures determined by electron diffraction, D. Rankin and H. Robertson.