@article {Ho1994b,
	title = {Doubly excited states of positronium negative ions},
	journal = {Hyperfine Interactions},
	volume = {89},
	number = {1},
	year = {1994},
	note = {<p>n/a</p>
},
	pages = {401{\textendash}406},
	publisher = {Springer},
	abstract = {<p>n/a</p>
},
	attachments = {https://labs.iams.sinica.edu.tw/project/sites/default/files/ykho/files/1994_3.pdf},
	author = {Ho, YK}
}
