On solving Einstein's field equations in the Newman-Penrose formalism Carry Ludwig Research Articles Pages: 815 - 829
Induced volume forms with applications in relativistic kinetic theory M. Tsamparlis Research Articles Pages: 831 - 851
Perfect-fluid space-times with type-D Weyl tensor J. CarminatiJ. Wainwright Research Articles Pages: 853 - 867
Nongauge local symmetry in gravity Kiyoshi KamimuraTakeshi Fukuyama Research Articles Pages: 869 - 874
A comment on spiral motions in projective relativity Juan C. MuzzioCarlos O. Lousto Research Articles Pages: 875 - 878
Lagrangians forn point masses at the second post-Newtonian approximation of general relativity Thibault DamourGerhard Schäfer Research Articles Pages: 879 - 905