pp 1-1 March 1994

Preface

pp 3-7 March 1994

Planck’s law and the light quantum hypothesis

Satyendranath Bose

pp 13-19 March 1994

Correlation between photons in two coherent beams of light

R. Hanbury Brown R. Q. Twiss

pp 27-32 March 1994

Reproduced fromNature (1956)17 8, 1449–50

E. M. Purcell

pp 39-45 March 1994

Bose statistics and the stars

R. Hanbury Brown

pp 47-67 March 1994

The R Coronae Borealis stars — A few mere facts

David L. Lambert N. Kameswara Rao

pp 69-83 March 1994

The spatial distribution of pulsars and the spiral structure of the Galaxy

R. Ramachandran A. A. Deshpande

pp 85-94 March 1994

Observations of enhanced sub-iron (Sc-Cr) to iron abundance ratios in the low energy galactic cosmic rays in Spacelab-3 and their implications

S. Biswas N. Durgaprasad R. K. Singh M. N. Vahia J. S. Yadav A. Dutta J. N. Goswami

pp 95-102 March 1994

Application of INSAT satellite cloud-imagery data for site evaluation work of proposed GRACE observatory

R. K. Kaul C. L. Bhat M. L. Sapru M. K. Kaul