@article {ho1980doubly,
	title = {Doubly excited resonances of the helium sequence associated with< i> N</i>= 4 hydrogenic thresholds},
	journal = {Physics Letters A},
	volume = {79},
	number = {1},
	year = {1980},
	note = {<p>n/a</p>
},
	pages = {44{\textendash}46},
	publisher = {Elsevier},
	abstract = {<p>n/a</p>
},
	attachments = {https://labs.iams.sinica.edu.tw/project/sites/default/files/ykho/files/1980_2.pdf},
	author = {Ho, YK}
}
