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2. (2003) Methodical guideline for non-contact magnetometric inspection of gas and oil pipelines. Moscow: Energodiagnostika Co. Ltd., 49 p
3. GAZPROM Temporary technical requirements to the equipment for non-contact remote gas pipelines magnetometry during the ground inspection
4. The technique for heat lines inspection by the non-contact magnetometric method. (Developed by Energodiagnostika Co. Ltd.)
5. The technique for operated heat lines residual life determination by the non-contact magnetometric method