Acoustic Waves in Fluids: Cartesian Tensors and Their Properties; Integral-Transformation Methods; Basic Equations of the Theory of Acoustic Waves in Fluids; The Principle of Superposition and Its Application to Acoustic Wave Fields in Configurations with Geometrical Symmetry; The Acoustic Wave Equations, Constitutive Relations, and Boundary Conditions in the Time Laplace-Transform Domain (Complex Frequency Domain); Acoustic Radiation from Sources in an Unbounded, Homogeneous, Isotropic Fluid; Acoustic Reciprocity Theorems and Their Applications; Plane-Wave Scattering by an Object in an Unbounded, Homogeneous, Isotropic, Lossless Embedding. Elastic Waves in Solids: Cartesian Tensors and Their Properties; Integral-Transformation Methods; Basic Equations of the Theory of Elastic Waves in Solids; The Principle of Superposition and Its Application to Electromagnetic Fields in Configurations with Geometrical Symmetry; The Elastic Wave Equations, Constitutive Relations, and Boundary Conditions in the Time Laplace-Transform Domain (Complex Frequency Domain); Elastodynamic Radiation from Sources in an Unbounded, Homogeneous, Isotropic Solid; Plane Elastic Waves in Homogeneous Solids; Elastodynamic Reciprocity Theorems and Their Applications; Plane-Wave Scattering by an Object in an Unbounded, Homogeneous, Isotropic, Lossless Embedding. Electromagnetic Waves: Cartesian Tensors and Their Properties; Integral-Transformation Methods; The Electromagnetic Constitutive Relations; The Electromagnetic Boundary Conditions; Exchange of Energy in the Electromagnetic Field; Vector Potentials, Point-Source Solutions, and Green's Function in the Theory of Electromagnetic Radiation from Sources; The Principle of Superposition and Its Application to Electromagnetic Fields in Configuration with Geometrical Symmetry; The Electromagnetic Field Equations, Constitutive Relations, and Boundary Conditions in the Time Laplace-Transform Domain (Complex Frequency Domain); Complex Frequency Domain Vector Potentials; Point-Source Solutions and Green's Functions in the Theory of Electromagnetic Radiation from Sources; Electromagnetic Radiation from Sources in an Unbounded, Homogeneous, Isotropic Medium; Plane Electromagnetic Waves in Homogeneous Media; Electromagnetic Reciprocity Theorems and Their Applications; Plane-Wave Scattering by an Object in an Unbounded, Homogeneous, Isotropic, Lossless Embedding; Interference and Shielding of Electromagnetic Systems Accessible via Low-Frequency Terminations; Electromagnetic Compatibility (EMC).