{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Geologist Richard Oldham's 1906 Paper on Seismic Wave Transmission Establishes the Existence of Earth's Core and Demonstrates the Value of Seismology ... from Gale's <i>Science and Its Times</i>","author_name":"Stephen D. Norton","thumbnail_url":"https://www.ebooknetworking.net/books/noimage.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-B0027UWX42.html\">Geologist Richard Oldham&#039;s 1906 Paper on Seismic Wave Transmission Establishes the Existence of Earth&#039;s Core and Demonstrates the Value of Seismology ... from Gale&#039;s &lt;i&gt;Science and Its Times&lt;/i&gt;</a>","width":400,"height":300}