1. Gausner S.I., Kivilis S.S., Osokina A.P., Pavlovskiy A.N., Measurement of mass, volume and density (Publ. house of standards, Moscow, 528 p. (in Russian) (1982)
2. Rachevskiy B.S., Liquefied petroleum gases (Oil and gas Publ. house, Moscow, 640 p.) (in Russian) (2009)
3. Zorja E.I., Yakovlev A.L., Larionov S.V., Determination of liquefied petroleum gas mass under reception, storage and delivery to consumers (Nedra Publ. House, Moscow, 197 p.) (in Russian) (2012)
4. Measurement of Liquefied Petroleum Gas Quantity in a Tank by Radio-Frequency Techniques
5. A Radio-Frequency Method of Measuring the Quantitative Parameters of Liquefied Natural Gas in Tanks