On the transformation of mass and momentum densities in special relativity G. H. Hostetter OriginalPaper Pages: 247 - 261
A comparison of results of various theories for four fundamental constants of physics D. M. Eagles OriginalPaper Pages: 265 - 270
Is the electromagnetic field an invariant superposition of the 42 states of a basic field? Gerald Rosen OriginalPaper Pages: 279 - 281
The effect of gravitational waves from a spinning rod on its rigidity T. T. Chia OriginalPaper Pages: 283 - 291
Equilibrium—Its connection to global integrability conditions for stationary Einstein-Maxwell fields J. P. Ward OriginalPaper Pages: 293 - 309