Materials Research Society (U.S.), Sankar, S. G., Herbst, J. F., & Koon, N. C. (1987). High performance permanent magnet materials: Symposium, held April 23 and 24, 1987, Anaheim, California, U.S.A. Materials Research Society.

Materials Research Society (U.S.), S. G. Sankar, J. F. Herbst, and N. C. Koon. High Performance Permanent Magnet Materials: Symposium, Held April 23 and 24, 1987, Anaheim, California, U.S.A. Pittsburgh, Pa.: Materials Research Society, 1987.

Materials Research Society (U.S.), et al. High Performance Permanent Magnet Materials: Symposium, Held April 23 and 24, 1987, Anaheim, California, U.S.A. Materials Research Society, 1987.