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   <dim:field mdschema="dc" element="contributor" qualifier="advisor" lang="en_US">Walter M. Hollister [and others].</dim:field>
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   <dim:field mdschema="dc" element="description" lang="en_US">Massachusetts Institute of Technology. Dept. of Aeronautics and Astronautics. Thesis. 1970. Sc.D.</dim:field>
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   <dim:field mdschema="dc" element="description" lang="en_US">Lacking l. 167, 168, 178, 204. Vita.</dim:field>
   <dim:field mdschema="dc" element="description" lang="en_US">Bibliography: leaves 205-208.</dim:field>
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   	&lt;Title>Free-fall periodic orbits connecting Earth and Mars.&lt;/Title>
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