00368nz a2200121n 4500 n 91020354 DLC 19910227121659.3 910227n| acannaab| |n aaa ||| n 91020354 DLC DLC Mackintosh, Allan R. Jensen, J. Rare earth magnetism, 1991: CIP t.p. (Allan R. Mackintosh; H.C. Ørsted Inst., Univ. of Copenhagen)