N. X. Bình, N. Đức Vinh and V. T. Quỳnh, Improve and extend applied field of the method of distance - frequency Rate - identification in analyzing and processing the aero - geophysical data, Vietnam J. Earth Sci. 34 (2013) 542–546. DOI: https://doi.org/10.15625/0866-7187/34/4/2814.