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   <dim:field mdschema="dc" element="date" qualifier="issued" lang="en_US">1989</dim:field>
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   <dim:field mdschema="dc" element="description" lang="en_US">Thesis (Ph. D.)--Massachusetts Institute of Technology, Dept. of Earth, Atmospheric, and Planetary Sciences, 1989.</dim:field>
   <dim:field mdschema="dc" element="description" lang="en_US">Title as it appeared in M.I.T. Graduate List, Feb. 1989 : A search for layering in oceanic crust.</dim:field>
   <dim:field mdschema="dc" element="description" lang="en_US">Includes bibliographical references.</dim:field>
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   	&lt;Title>A search for layering in the oceanic crust&lt;/Title>
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