FitzHugh, Elisabeth West and Lynda A. Zycherman. "A Purple Barium Copper Silicate Pigment From Early China." Studies in Conservation 37/3 (1992): 145-154.

FitzHugh, Elisabeth West and Lynda A. Zycherman. "A Purple Barium Copper Silicate Pigment From Early China." Studies in Conservation 37/3 (1992): 145-154.