Basics for nonlinear dielectric and related studies in liquids -- Anomalous Expressions for The Nonlinear Harmonic Components of the Electric Polarization -- Theory of Anomalous Dielectric Relaxation -- Rotational Brownian Motion and Nonlinear Dielectric Relaxation of Asymmetric Top Molecules in Strong Electric Fields: The Langevin Equation Approach -- Experimental Solutions for Nonlinear Dieleā¦