Author	I. Percival
Year of Publication	1973
Date Published	Jan-09-1973
Journal Title	Journal of Physics B: Atomic and Molecular Physics
Volume	6
Start Page or Article ID (correct)	L229 - L232
ISSN Number	0022-3700
DOI	10.1088/0022-3700/6/9/002
URL	http://stacks.iop.org/0022-3700/6/i=9/a=002?key=crossref.4f95a72f819b3a947bb2256b30054354
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	Journal Article
Publication Status	Published