$a Comparison of three sources of phosphorus / Harold E. Harris. - [Baton Rouge], 1961.
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$a WorldCat online
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$a Harold Eugene Harris. Obituary online, 05.10.2017 $b (He was the agronomist at the LSU West Louisiana Experiment Station [...]) $u http://www.labbymemorial.com/home/index.cfm?action=mobile:obituaries.view&id=393766&fh_id=10166