这是电子期刊，只有文献号（简写为 ）没有纸质期刊的卷、期、页码。
下面是从英国物理学会IOP的author guidelines里摘录的一段：
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References to electronic-only Article numbers are usually given with no page ranges as
most electronic-only journals start each article on page For New Journal of Physics (article number
may have from one to three digits) see , for SISSA journals the volume is divided into monthly
issues and these form part of the article number, as in and
Fischer R 2004 Bayesian group analysis of plasma-enhanced chemical vapour deposition data N JP 6 25
Horowitz G T and Maldacena J 2004 The black hole final state J High Energy P JHEP02(2004)008
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