@article {138700,
	title = {Multiple ionization of He, Ne and Ar by 2{\textendash}16 keV electrons},
	journal = {Physica},
	volume = {42},
	year = {1969},
	note = {n/a},
	pages = {411-420},
	publisher = {Elsevier},
	abstract = {n/a},
	isbn = {0031-8914},
	author = {Van der Wiel, MJ and El-Sherbini, Th M and Vriens, L}
}
