Vetoshko P.M., Zvezdin A.K., Skidanov V.A., Syvorotka I.I., Syvorotka I.M., Belotelov V.I. The effect of the disk magnetic element profile on the saturation field and noise of a magneto-modulation magnetic field sensor. Technical Physics Letters. May 2015. Vol. 41. Issue 5. P. 458-461.