au.\*:("BAUMEL CP")
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ECONOMICS OF ALTERNATIVE COAL TRANSPORTATION AND DISTRIBUTION SYSTEMS IN IOWABAUMEL CP; DRINKA TP; MILLER JJ et al.1978; IOWA STATE UNIV. SCI. TECHNOL., AGRIC. HOME ECON. EXPER. STN, SPEC. REP.; USA; DA. 1978; NO 81; PP. 1-59; BIBL. 43 REF.Serial Issue
