Michaelis, Max M.Lisi, Nicola.2012-02-082012-02-0819951995http://hdl.handle.net/10413/4971Thesis (Ph.D.)-University of Natal, 1995.No abstract available.enGas lenses.Lasers.Theses--Physics.Laser applications and refractive properties of non-homogeneous gas distributions.Thesis