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   <dim:field mdschema="dc" element="date" qualifier="issued" lang="en_US">1985</dim:field>
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   <dim:field mdschema="dc" element="description" lang="en_US">Thesis (Ph. D.)--Massachusetts Institute of Technology, Dept. of Ocean Engineering, 1985.</dim:field>
   <dim:field mdschema="dc" element="description" lang="en_US">MICROFICHE COPY AVAILABLE IN ARCHIVES AND ENGINEERING.</dim:field>
   <dim:field mdschema="dc" element="description" lang="en_US">Includes bibliographies.</dim:field>
   <dim:field mdschema="dc" element="description" qualifier="statementofresponsibility" lang="en_US">by Subramaniam D. Rajan.</dim:field>
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   <dim:field mdschema="dc" element="subject" lang="en_US">Ocean Engineering.</dim:field>
   <dim:field mdschema="dc" element="title" lang="en_US">An inverse method for obtaining the attenuation profile and small variations in the sound speed and density profiles of the ocean bottom</dim:field>
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   	&lt;Title>An inverse method for obtaining the attenuation profile and small variations in the sound speed and density profiles of the ocean bottom&lt;/Title>
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    &lt;Keyword>Ocean Engineering.&lt;/Keyword>
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