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   <dim:field mdschema="dc" element="contributor" qualifier="advisor" lang="en_US">Ann F. Friedlaender and Clifford Winston.</dim:field>
   <dim:field mdschema="dc" element="contributor" qualifier="author" lang="en_US">Jara Díaz, Sergio Rodolfo</dim:field>
   <dim:field mdschema="dc" element="contributor" qualifier="other" lang="en_US">Massachusetts Institute of Technology. Dept. of Civil Engineering.</dim:field>
   <dim:field mdschema="dc" element="contributor" qualifier="department" lang="en_US">Massachusetts Institute of Technology. Department of Civil Engineering</dim:field>
   <dim:field mdschema="dc" element="contributor" qualifier="department">Massachusetts Institute of Technology. Department of Civil and Environmental Engineering</dim:field>
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   <dim:field mdschema="dc" element="description" lang="en_US">Thesis (Ph.D.)--Massachusetts Institute of Technology, Dept. of Civil Engineering, 1981.</dim:field>
   <dim:field mdschema="dc" element="description" lang="en_US">MICROFICHE COPY AVAILABLE IN ARCHIVES AND ENGINEERING.</dim:field>
   <dim:field mdschema="dc" element="description" lang="en_US">Bibliography: leaves 194-197.</dim:field>
   <dim:field mdschema="dc" element="description" qualifier="statementofresponsibility" lang="en_US">by Sergio Rodolfo Jara Diaz.</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="publisher" lang="en_US">Massachusetts Institute of Technology</dim:field>
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   <dim:field mdschema="dc" element="subject" lang="en_US">Civil Engineering.</dim:field>
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   <dim:field mdschema="dc" element="subject" qualifier="lcsh" lang="en_US">Economies of scale</dim:field>
   <dim:field mdschema="dc" element="subject" qualifier="lcsh" lang="en_US">Production functions (Economic theory)</dim:field>
   <dim:field mdschema="dc" element="subject" qualifier="lcsh" lang="en_US">Microeconomics</dim:field>
   <dim:field mdschema="dc" element="title" lang="en_US">Transportation cost functions : a multiproduct approach</dim:field>
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