1 ICID. 1999. 17th Congress on Irrigation and Drainage, Granada, Spain, 1999: Water for Agriculture in the Next Millennium - Transactions, Vol.1J, History Seminar. New Delhi, India: ICID. vi, 183p.
2 Bildirici, M.; Bildirici, I. O. 1999. Historical irrigation in the Plain of Bayburt. In ICID, 17th Congress on Irrigation and Drainage, Granada, Spain, 1999: Water for Agriculture in the Next Millennium - Transactions, Vol.1J, History Seminar. New Delhi, India: ICID. pp.71-86.