<h1>Poindexter, John Marlan</h1>
<h2>Article from <a href="https://authors.library.caltech.edu">CaltechAUTHORS</a></h2>
<ul>
<li>Barnes, R. G. and Mössbauer, R. L., el al. (1964) <a href="https://resolver.caltech.edu/CaltechAUTHORS:BARpr64a">Electronic shielding by closed shells in salts of thulium</a>; Physical Review; Vol. 136; No. 1A; A175-A189; <a href="https://doi.org/10.1103/PhysRev.136.A175">10.1103/PhysRev.136.A175</a></li>
<li>Barnes, R. G. and Kankeleit, E., el al. (1963) <a href="https://resolver.caltech.edu/CaltechAUTHORS:BARprl63">Electronic shielding of the crystalline field in thulium ethyl sulfate</a>; Physical Review Letters; Vol. 11; No. 6; 253-255; <a href="https://doi.org/10.1103/PhysRevLett.11.253">10.1103/PhysRevLett.11.253</a></li>
</ul>