Radiative properties of real surfaces, view factors, radiative exchange between gray, diffuse surfaces, radiative exchange between nonideal surfaces, equation of radiative transfer in participating media, radiative properties of molecular gases, particulate and semitransparent media. Surface radiative exchange in the presence of conduction and convection. Approximate and exact solutions for one dimensional media. Method of discrete ordinates. The method of spherical harmonics. Nano scale radiative transfer.