MRM '86 : International Conference on Magnetic Recording Media, Sala Aurea Parma, Camera di Commercio, Industria & Artigianato, September 2-5, 1986, Parma, Italy / under the auspices of C.N.R. (National Research Council Italy) ... [et.al.] ; conference chairman: C. Bonnebat ; guest editor: S. Rinaldi / New York, NY : Institute of Electrical and Electronics Engineers , 1987