Velocity dispersion in particulate disks with size distribution J. Lukkari OriginalPaper Pages: 207 - 218
Divergent plate boundary characteristics and crustal spreading in Aphrodite Terra, Venus: A test of some predictions James W. HeadL. S. Crumpler OriginalPaper Pages: 219 - 231
Spectrophotometry of comet Hartley-Good (1985l) B. S. RautelaP. S. GorayaS. K. Gupta OriginalPaper Pages: 233 - 242
Spectrophotometry of P/Halley (1982i) P. S. GorayaB. B. SanwalJ. S. Malhi OriginalPaper Pages: 243 - 249
Cometary collisions and the dark material on Iapetus Ronald G. TabakWarren M. Young OriginalPaper Pages: 251 - 264
Application of Hori technique in general planetary theory Osman M. Kamel OriginalPaper Pages: 275 - 289
The visual brightness behaviour of P/Halley during 1982–1986 P. S. GorayaR. V. BijuJ. S. Malhi Letter to the Editor Pages: 291 - 293