七、英文論文 A Preliminary Study of Early Chinese Copper and Bronze Artifacts Paktong-Ancient Metallurgy of Cupronickel and Nickel Silver in China The Action of Humic Acid in the Formation of Black Patina on Chinese Bronze Mirrors Study of Copper Artefacts of Siba Culture in Gansu An Experimental Study of Chinese Gongs and Cymbals The Production of Lead and Silver in Ancient China A Brief Study of Bronzes of Er-Li-Gang Period, Middle Shang Dynasty c.15th-14th c.BC The Study of Microstructure of Chinese Ancient Mirrors