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   <dim:field mdschema="dc" element="contributor" qualifier="advisor" lang="en_US">Wallace E. Vander Velde and Alan S. Willsky.</dim:field>
   <dim:field mdschema="dc" element="contributor" qualifier="author" lang="en_US">Eterno, John S</dim:field>
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   <dim:field mdschema="dc" element="date" qualifier="issued" lang="en_US">1976</dim:field>
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   <dim:field mdschema="dc" element="identifier" qualifier="oclc" lang="en_US">04011212</dim:field>
   <dim:field mdschema="dc" element="description" lang="en_US">Thesis. 1976. Ph.D.--Massachusetts Institute of Technology. Dept. of Aeronautics and Astronautics.</dim:field>
   <dim:field mdschema="dc" element="description" lang="en_US">MICROFICHE COPY AVAILABLE IN ARCHIVES AND AERONAUTICS.</dim:field>
   <dim:field mdschema="dc" element="description" lang="en_US">Vita.</dim:field>
   <dim:field mdschema="dc" element="description" lang="en_US">Bibliography : leaves 226-229.</dim:field>
   <dim:field mdschema="dc" element="description" qualifier="degree" lang="en_US">Ph.D.</dim:field>
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   <dim:field mdschema="dc" element="subject" qualifier="lcsh" lang="en_US">Filters (Mathematics)</dim:field>
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