Heat flow and thermal structure of the lithosphere across the Baltic Shield and Northern Tornquist Zone,
Berzin, L. Z., H. S. Brio, L. P. Karpitskaya, Y. A. R. Klavin, N. K. Ozolin (1979),
Role of Heredity in the Formation of Recent Structural Plan of the Sedimentary Cover in Latvia. Problems of Heredity Tectonic Structures in the Baltic States and Belarus, 20.