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   <dim:field mdschema="dc" element="contributor" qualifier="advisor" lang="en_US">Philip Morrison.</dim:field>
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   <dim:field mdschema="dc" element="description" lang="en_US">Thesis (Sc.D.)--Massachusetts Institute of Technology, Dept. of Physics, 1979.</dim:field>
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   <dim:field mdschema="dc" element="description" lang="en_US">Bibliography: p. 424-432.</dim:field>
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