Antropova N. A. Natalya Alekseevna, Krets V. G. Victor Georgievich, & Pavlov M. S. Mikhail Sergeevich. (2016). Underground pipeline laying using the pipe-in-pipe system; IOP Conference Series: Earth and Environmental Science; Vol. 43 : Problems of Geology and Subsurface Development. 2016. https://doi.org/10.1088/1755-1315/43/1/012081

Antropova N. A. Natalya Alekseevna, Krets V. G. Victor Georgievich, and Pavlov M. S. Mikhail Sergeevich. Underground Pipeline Laying Using the Pipe-in-pipe System; IOP Conference Series: Earth and Environmental Science; Vol. 43 : Problems of Geology and Subsurface Development. 2016, 2016. https://doi.org/10.1088/1755-1315/43/1/012081.

Antropova N. A. Natalya Alekseevna, et al. Underground Pipeline Laying Using the Pipe-in-pipe System; IOP Conference Series: Earth and Environmental Science; Vol. 43 : Problems of Geology and Subsurface Development. 2016, 2016. https://doi.org/10.1088/1755-1315/43/1/012081.