Flad, Rowan K . Salt production and social hierarchy in ancient China: an archaeological investigation of specialization in CHina`s three gorges / by Rowan K Flad. - Cambridge : Cambridge University Press , 2011 - xxv, 285p ; ISBN: 978-1-107-00941-70 Subjects--Topical Terms: Zhongba site(China) Dewey Class. No.: V41c / Q1