Tolong jelaskan mengenai Vokal dari Bahasa Baktria

Falk (2001): “The yuga of Sphujiddhvaja and the era of the Kuṣâṇas.” Harry Falk. Silk Road Art and Archaeology VII, pp. 121–136.

Henning (1960): “The Bactrian Inscription.” W. B. Henning. Bulletin of the School of Oriental and African Studies, University of London, Vol. 23, No. 1. (1960), pp. 47–55.