C.I.M. Beenakker, P.J.F. Verbeek and F.J. de Heer, The intensity distribution in the CH(A2D-X2P) spectrum produced by electron impact on acetylene, J. Quant. Spectrosc. Radiat. Transfer 15, (1975)
B.R. Nagar, E.S. Waight, H.L.C. Meuzelaar and P.G. Kistemaker, Studies on the structure and origin of soil humic acids by Curie Point pyrolysis in direct combination with low-voltage mass spectrometry, Plant Soil 43, 681-685 (1975)
R.A. Haring and A.E. de Vries, Electron transfer and reactive ionization in C + O2 collisions in the electron volt energy range, Chem. Phys. Lett. 30, 11-60 (1975)