TY - GEN AU - Doughty, Noel A. TI - Lagrangian interaction: an introduction to relativistic symmetry in electrodynamics and gravitation SN - 0201416255 PY - 1990/// CY - Sydney: PB - Addison-Wesley KW - Electrodynamics. KW - Gravitation. KW - Relativity (Physics) KW - Symmetry (Physics) ER -