Ma, Heng <br/><br/>
The Fifteen Different Classes of Measures as given in the Lü Li Chih of the Sui Dynasty History 
by Ma Heng, translated by John C. Fergusson 
 - Peking  1932  1932 
 - XVI, 16 p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Economy -- Measures -- Sui