Remarks on positive frequency and hamiltonians in expanding universes S. A. Fulling Research Articles Pages: 807 - 824
Strong gravity with torsion and the Cabibbo angle V. De SabbataM. Gasperini Research Articles Pages: 825 - 831
Null surface quantization and quantum theory of massless fields in asymptotically flat space-time V. P. Frolov Research Articles Pages: 833 - 852
Riemannian-Maxwellian invertible structures in general relativity R. DebeverR. G. McLenaghanN. Tariq Research Articles Pages: 853 - 879