pp 173-199 March 1981 Quantum Mechanics

The ‘time of occurrence’ in quantum mechanics

M D Srinivas R Vijayalakshmi

pp 201-209 March 1981 Liquid Crystals

A statistical model of the discotic mesophase

R Locqueneux

pp 211-236 March 1981 Statistical Mechanics

Renormalisation group approach to the ideal Bose gas ind dimensions

K K Singh

pp 237-247 March 1981 Spectroscopy

High resolution, rotation, vibration spectra of D₂O in the region ofν₁ andν₃ bands

V D Gupta

pp 249-255 March 1981 Particle Physics

Symmetry breaking for theBBP-couplings

Jatinder K Bajaj M P Khanna K Prema

pp 257-271 March 1981 Chemical Physics

Overall values of conventional discrepancy indices for crystals with heavy atoms. Part I—Results for a triclinic crystal when the model consists of the heavy atoms and a part of light atoms

S Parthasarathy M N Ponnuswamy