Recording performance characteristics of granular perpendicular media Jiang, Wen ; Velu, E. M. T. ; Malhotra, S. ; Jung, H. S. ; Kwok, Chi Kong ; Bertero, G. ; Wachenschwanz, D. Abstract Publication: IEEE Transactions on Magnetics Pub Date: February 2005 DOI: 10.1109/TMAG.2004.838046 Bibcode: 2005ITM....41..587J