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   <dim:field mdschema="dc" element="contributor" qualifier="advisor" lang="en_US">Kenneth N. Stevens.</dim:field>
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   <dim:field mdschema="dc" element="contributor" qualifier="department">Massachusetts Institute of Technology. Department of Electrical Engineering and Computer Science</dim:field>
   <dim:field mdschema="dc" element="date" qualifier="accessioned">2016-08-26T14:39:27Z</dim:field>
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   <dim:field mdschema="dc" element="date" qualifier="issued" lang="en_US">1954</dim:field>
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   <dim:field mdschema="dc" element="description" lang="en_US">Thesis (M.S.)--Massachusetts Institute of Technology, Dept. of Electrical Engineering, 1954.</dim:field>
   <dim:field mdschema="dc" element="description" lang="en_US">Includes bibliographical references (leaf 76).</dim:field>
   <dim:field mdschema="dc" element="description" qualifier="statementofresponsibility" lang="en_US">by Jay Franklin Koogle.</dim:field>
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   <dim:field mdschema="dc" element="subject" lang="en_US">Electrical Engineering</dim:field>
   <dim:field mdschema="dc" element="title" lang="en_US">An investigation into the utility of second differentiation of sound frequency spectra for speech analysis</dim:field>
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