1. Automatic Meteorological Observatory WXT 520. Operating Manual, Vaisala, 2010, pp. 1–89.
2. Digital Three-Component Seismic Station Yugra. Operating Manual, Obninsk, 2005, pp. 1–57.
3. Portable Absolute Gravimeter A10, Micro’g, LaCoste, 2008, pp. 1–156.
4. Relative Gravimeter CG-5. Scintrex Autograv System. Operating Manual, Revision 4, 2008, pp. 1–156.