A new low-field determination of the proton gyromagnetic ratio in water. - Vladlen Ya. Shifrin; Po Gyu Park; Vyacheslav N. Khorev; Chang Ho Choi; C. S. Kim (IEEE Trans. Instrum. Meas., 1998)

Determination of the tesla-to-ampere ratio for the KRISS/VNIIM γ'P-experiment. - Vladlen Ya. Shifrin; Po Gyu Park; Vyacheslav N. Khorev; Chang Ho Choi; Sekyung Lee (IEEE Trans. Instrum. Meas., 1999)

The long-term stability of an atomic magnetic resonance standard system for the reproduction of direct current and magnetic flux density. - Vladlen Ya. Shifrin; Vyacheslav N. Khorev; A. Ye. Shilov; Po Gyu Park (IEEE Trans. Instrum. Meas., 2003)

A standard quantum measuring system for reproduction and measurement of low direct magnetic field in the range 0.1 μT-1.5 mT. - Vladlen Ya. Shifrin; Vyacheslav N. Khorev; A. E. Shilov; Po Gyu Park (IEEE Trans. Instrum. Meas., 2005)