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   <dim:field mdschema="dc" element="contributor" qualifier="advisor" lang="en_US">Keiiti Aki.</dim:field>
   <dim:field mdschema="dc" element="contributor" qualifier="author" lang="en_US">Roberts, Peter Morse</dim:field>
   <dim:field mdschema="dc" element="contributor" qualifier="other" lang="en_US">Massachusetts Institute of Technology. Dept. of Earth, Atmospheric, and Planetary Sciences.</dim:field>
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   <dim:field mdschema="dc" element="date" qualifier="copyright" lang="en_US">1989</dim:field>
   <dim:field mdschema="dc" element="date" qualifier="issued" lang="en_US">1989</dim:field>
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   <dim:field mdschema="dc" element="identifier" qualifier="oclc" lang="en_US">22389665</dim:field>
   <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">Science copy is bound in 2 v.</dim:field>
   <dim:field mdschema="dc" element="description" lang="en_US">Includes bibliographical references (leaves 326-332).</dim:field>
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   <dim:field mdschema="dc" element="format" qualifier="extent" lang="en_US">332 leaves</dim:field>
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   <dim:field mdschema="dc" element="rights" lang="en_US">M.I.T. theses are protected by 
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   <dim:field mdschema="dc" element="title" lang="en_US">Seismic Q and velocity structure for the magma-hydrothermal system of the Valles Caldera, New Mexico</dim:field>
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   	&lt;Title>Seismic Q and velocity structure for the magma-hydrothermal system of the Valles Caldera, New Mexico&lt;/Title>
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