pp 1- August 1990 Rapid Communications

A definition for time in quantum cosmology

T Padmanabhan

pp 115-125 August 1990

A new formalism for the statistical dynamics of planar spin systems

Kamlesh Kumari Deepak Kumar

pp 127-136 August 1990

Force constants from intensity analysis of molecules CH₃Cl and CD₃Cl

V Dayanand K Ravindranath N Rajeswara Rao

pp 137-139 August 1990

Spectroscopic study of rotational energy distribution of BH (A¹Π) and electronic excitation temperature determination

N N Math M I Savadatti

pp 141-149 August 1990

A ‘tree’ for generation and identification of the colour symmetry point groups

K Rama Mohana Rao

pp 151-157 August 1990

Liquid-like defects in superionic fluorites

Mohua Makur Sujata Ghosh

pp 159-165 August 1990

Effects of lattice dispersion and elastic anisotropy on the thermal properties of fcc metals

Meenakshi Mohapatra S Tolpadi

pp 167-176 August 1990

Pressure-tuned resonance Raman scattering and photoluminescence studies on MBE grown bulk GaAs at theE₀ gap

A Jayaraman G A Kourouklis R People S K Sputz L Pfeiffer

pp 177-180 August 1990

Pressure induced amorphization of AlPO₄

Hema Sankaran Surinder M Sharma S K Sikka R Chidambaram

pp 181-186 August 1990

Ultrasonic investigation in KTaO₃

S C Deorani U C Naithani B S Semwal

pp 187-191 August 1990

A note on grating based soft X-ray monochromators

V C Sahni