TY - BOOK AU - BardenS.E. AU - Phillips,K. TI - The use of an electron beam for the accurate measurement of alternat ing magnetic field strengths / U1 - 621.3072 PY - 1955/// CY - Manchester : PB - Metropolitan-Vickers Electrical Co. Ltd , KW - Electron beams KW - Magnetic fields N1 - Includes bibliographical references ER -