1. Emission of Photo Radiations by the Impact of Positive Ions of Helium on Nickel
2. Emission of ultraviolet radiation from metals under the impact of high energy positive ions;Chaudhri,1963
3. Angular distribution of the optical radiation emitted from Ag, Al, Cu and Ni by impact of alkali positive ions;Chaudhri,1965
4. Surface phenomena related with sputtering, ion bombardment, theory and applications;Kistemaker,1962
5. Photon and metastable atoms produced in sputtering experiments;Fluit,1961