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   <dim:field mdschema="dc" element="contributor" qualifier="advisor" lang="en_US">John Simpson Lewis.</dim:field>
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   <dim:field mdschema="dc" element="description" lang="en_US">Thesis (Ph.D.)--Massachusetts Institute of Technology, Dept. of Earth and Planetary Sciences, 1983.</dim:field>
   <dim:field mdschema="dc" element="description" lang="en_US">MICROFICHE COPY AVAILABLE IN ARCHIVES AND LINDGREN</dim:field>
   <dim:field mdschema="dc" element="description" lang="en_US">Bibliography: leaves 204-216.</dim:field>
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   <dim:field mdschema="dc" element="title" lang="en_US">The consequences of cometary and asteroidal impacts on the volatile inventories of the terrestrial planets</dim:field>
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   	&lt;Title>The consequences of cometary and asteroidal impacts on the volatile inventories of the terrestrial planets&lt;/Title>
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