Fluctuation fields of reversal in oriented and non-oriented barium ferrite media Patel, V. ; El-Hilo, M. ; O'Grady, K. ; Chantrell, R. W. Abstract Publication: IEEE Transactions on Magnetics Pub Date: November 1993 DOI: 10.1109/20.281249 Bibcode: 1993ITM....29.3622P