<h1>Okal, Emile André</h1>
<h2>Monograph from <a href="https://authors.library.caltech.edu">CaltechAUTHORS</a></h2>
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<li>Solomon, Sean C. and Anderson, Don L., el al. (1991) <a href="https://resolver.caltech.edu/CaltechAUTHORS:20141030-144546041">Scientific rationale and requirements for a global seismic network on Mars</a></li>
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