Меловой период

Daoud H.S., Balc R., Sur G.H. (2010) Microfossil assemblages and diagenesis of Balambo Formation from Azmer Mountain in northeast Salaimaniyah, Kurdistan region, Iraq // Iraqi Bulletin of Geology and Mining Vol.6, No.2, P.1−16

http://www.iasj.net/iasj?func=fulltext&aId=61578