@article { ISI:A1968A550400002,
	title = {CROSS SECTION FOR PRODUCTION OF SINGLY IONIZED HELIUM BY ELECTRON IMPACT AT LOW ENERGIES},
	journal = {PHYSICAL REVIEW LETTERS},
	volume = {20},
	number = {6},
	year = {1968},
	pages = {241-\&},
	issn = {0031-9007},
	doi = {10.1103/PhysRevLett.20.241},
	author = {Brion, CE and THOMAS, GE}
}
