<?xml version="1.0" encoding="UTF-8"?>
<references>
<reference>
  <a2>Hatton, Vincent W</a2>
  <a2>Lowndes, S A</a2>
  <t1/>
  <t2/>
  <sn/>
  <op/>
  <vo/>
  <ab/>
  <la>eng</la>
  <k1/>
  <pb>Daresbury Nucl. Phys. Lab.</pb>
  <pp>Warrington</pp>
  <yr>1968</yr>
  <ed/>
  <ul/>
  <no>Imported from Invenio.</no>
</reference>

</references>