Template:Obut & Sobolevskaya, 1967
- Obut, A.M. & Sobolevskaya, R.F. 1967. Nekotorye stereostolonaty pozdnego kembriya i ordovika Noriľskogo rayona [Some stereostolonates of the late Cambrian and Ordovician of the Norilsk Region], 45–64. In Ivanovskiy, A.B. & Sokolov, B.S. (eds) Novye dannye po biostratigrafii nizhnego paleozoya Sibirskoy platformy. Nauka, Moskva.