In Armenia, Byzantine-Sassanid times, a unit of mass, = 12 kerations, about 2.27 grams. Manandian arrived at this estimate through 1 keration = ¹⁄₂₄ dahekan; 1 dahekan = ¹⁄₇₂ Byzantine libra of (according to Decourdemanche, 1909) 326.4 grams.
H. A. Manandian.
Nina G. Garsoian, trans.
The Trade and Cities of Armenia in Relation to Ancient World Trade.
Armenian Library of the Calouste Gulbenkian Foundation.
Lisbon: Livraria Bertrand, 1965.
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