Climaco, J. F. (1976). Conversion of scrap copper into chemical compounds [microform]. Photoduplication Service. University of the Philippines Library.
Παραπομπή σε μορφή Chicago (17η εκδ.)Climaco, Julia F. Conversion of Scrap Copper into Chemical Compounds [microform]. Quezon City: Photoduplication Service. University of the Philippines Library, 1976.
Παραπομπή σε μορφή MLA (9th εκδ.)Climaco, Julia F. Conversion of Scrap Copper into Chemical Compounds [microform]. Photoduplication Service. University of the Philippines Library, 1976.
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