<div class="description">
<p>Journal of Research of the National Institute of Standards and Technology
</p>
<br>Subjects:  gamma-ray, cesium 137; air kerma;  free-air ionization chamber;  x-ray calibration</div>
<div class="fn value">
<dl><dd>O'Brien, Michelle</dd>
<dd>Minniti, Ronaldo</dd>
<dd>Masinza, Stanslaus Alwyn</dd></dl></div>
Internet Archive identifier