Electron impact total and ionization cross-sections for some hydrocarbon molecules and radicals M. Vinodkumar, K. N. Joshipura, C. G. Limbachiya and B. K. Antony Eur. Phys. J. D, 37 1 (2006) 67-74 Published online: 27 September 2005 DOI: 10.1140/epjd/e2005-00257-7