. "Holden, Wendy; 'A Guide to Cataloguing Chinese Art', Visual Resources Association Special Bulletin No. 13, (1050138x). Middle Western Zhou characteristics: decline in variety, standardization in vessel shape, and reduction in size. Smooth, rounded forms without flanges and angularity. Decorated with birds and dragons; large panels or narrow bands of ornament. Main shapes the same. Changes in burial patterns (jades buried, some designed to cover facial features). Bells appear in tombs. Vessels in shapes of animals appear (in Shang, this type found in the south). Bronze copies of pottery vessels."@en . . "Western Zhou Style I"@en . . "2015-07-16"^^ . "2015-07-16"^^ .