A. Sinman, H.J. Hopman and B. Jurgens, Experiments with a relativistic electron beam injected into a plasma, Rev. Fac. Sci. Univers. Istanbul C 39, 1-17 (1974)
C.I.M. Beenakker, F.J. de Heer and L.J. Oosterhoff, 1 B 2u-1 A 1g fluorescence from benzene produced by electron impact (0-30eV), Chem. Phys. Lett. 28, 324-327 (1974)
H.E. Roosendaal, W.H. Kool, W.F. van der Weg and J.-B. Sanders, Critical angles and minimum yields for planar channeling, Radiat. Eff. 22, 89-99 (1974)