Stavrev et al. 2020

Stavrev M., Peytcheva I., Hikov A., Vassileva R., Quadt A., Guillong M., Grozdev V., Plotkina Yu. Late Cretaceous Magmatism in part of the Western Rhodopes (Bulgaria): U-Pb dating on zircon and grossular-andradite garnets // Proceedings of the Bulgarian Academy of Sciences, vol. 73, part 4, 2020, p. 521-530.