@article {138734,
	title = {Laser gain by electron collisional pumping of Ar VII{\textendash}V XII},
	journal = {Optics \& Laser Technology},
	volume = {40},
	year = {2008},
	note = {n/a},
	pages = {1008-1017},
	publisher = {Elsevier},
	abstract = {n/a},
	isbn = {0030-3992},
	author = {Yahia, ME and I.M. Azzouz and S.H. Allam and El-Sherbini, Th M}
}
