<h1>Ripperdan, Robert Lowell</h1> <h2>Book Chapter from <a href="https://data.caltech.edu">CaltechTHESIS</a></h2> <ul> <li>Ripperdan, Robert Lowell (1990) <a href="https://resolver.caltech.edu/CaltechTHESIS:03082012-091130735">Magnetostratigraphic investigations of the lower paleozoic system boundaries, and associated paleogeographic implications</a>; <a href="https://doi.org/10.7907/hvxy-nh76">10.7907/hvxy-nh76</a></li> </ul>