Optical Sensor of the Magnetic Field in Electrical Power Engineering.Published in:Acta Physica Polonica: A, 2010, v. 118, n. 6, p. 1090, doi. 10.12693/APhysPolA.118.1090By:BARCZAK, K.;PUSTELNY, T.;ZYCKI, Z.;BLAZEJCZYK, T.;DOROSZ, D.Publication type:Article