Institute of Petroleum
W.L. Mead

Schram, B. L., Boerboom, A. J. H., van der Wiel, M. J., de Heer, F. J., & Kistemaker, J. (1966). Ionization cross-section measurements for 0.6-20 keV electrons in atomic and molecular gases. In W. L. Mead (Ed.), Proceedings of a Conference held in Paris, September 1964 (pp. 273–286).