1. Balk, P.I., On reliability of the results of quantitative interpretation of gravity anomalies, Izv. Akad. Nauk SSSR, Fiz. Zemli, 1980, no. 6, pp. 65–83.
2. Balk, T.V., On estimating the reliability of gravity anomaly interpretation by the method of prisms with varying density, Geol. Geofiz., 1981, no. 4, pp. 119–125.
3. Balk, T.V., Novoselova, M.R., Balk, P.I., and Turutanov, E.Kh., On the accuracy of determining the bottom boundary of a geological object from gravity data, Izv. Akad. Nauk SSSR, Fiz. Zemli, 1988, no. 3, pp. 81–86.
4. Balk, P.I., The conflict of geophysical and mathematical interests as a main source of contradictions in the modern theory of interpretation of potential fields, Geofiz. Zh., 2000, vol. 22, no. 4, pp. 3–20.
5. Balk, P.I., On fundamental shortcomings inherent in conventional representation of the mathematical interpretation results for the potential fields, Geofiz. Zh., 2004, vol. 26, no. 5, pp. 124–132.