1. Yu. P. Balabanov, “Paleomagnetic Section of Mesozoic Deposits in the Northeastern Ul’yanovsk-Saratov Depression,” in Proceedings of International Seminar on Paleomagnetism and Magnetism of Rocks: Theory, Practice, Experiment (Kazan. Univ., Kazan, 2004), pp. 192–196 [in Russian].
2. Yu. P. Balabanov, V. G. Iota, and L. M. Sitdikova, “Magnetic Properties of Mesozoic Deposits in the Northeastern Ul’yanovsk-Saratov Depression,” in Proceedings of International Seminar on Paleomagnetism and Magnetism of Rocks: Theory, Practice, Experiment (Kazan. Univ., Kazan, 2004), pp. 231–236 [in Russian].
3. A. N. Didenko and S. O. Zorina, “The Jurassic System,” in Geology of Tatarstan: Stratigraphy and Tectonics, Ed. by B. V. Burov (GEOS, Moscow, 2003), pp. 197–206 [in Russian].
4. D. B. Gulyaev, “Infrazonal Ammonite Scale for the Upper Bathonian-Lower Callovian of Central Russia,” Stratigr. Geol. Korrelyatsiya 9(1), 68–96 (2001) [Stratigr. Geol. Correlation 9 (1), 65–92 (2001)].
5. A. Yu. Guzhikov, Extended Abstract of Doctoral Dissertation in Geology and Mineralogy (SGU, Saratov, 2004).