Effective magnetic anisotropy of nanocrystalline Nd-Fe-Ti-N hard magnetic alloys Z.-Q. Jin, W. Tang, J.-R. Zhang, H.-X. Qin and Y.-W. Du Eur. Phys. J. B, 3 1 (1998) 41-44 Published online: 15 May 1998 DOI: 10.1007/s100510050282