<pre>
@article{NSR1992KR06,
  author="H. -D. {Kronfeldt} and D. {Ashkenasi} and H. M. {Nikseresht}",
  title="Crossed-Second-Order Effects in the Isotope Shift for $^{170} ^{-} ^{166}$Er and $^{168} ^{-} ^{166}$Er in the Configuration 4f$^{12}$6s$^{2}$",
  journal="Z.Phys.",
  year=1992,
  volume="D22",
  pages="569"
}</pre>


<pre>
*****                                                                  *****
*  Note: Translation from NSR format to bibTex is imperfect. Entries       *
*    may require editing before use. This is especially true for           *
*    "secondary" sources such as conference proceedings, lab reports, etc. *
*****                                                                  *****
</pre>