C. Maier, S. Kawahito, M. Schneider, M. Zimmermann, H. Baltes, "2D magnetic micro fluxgate system with digital signal output," Dig. Tech. Papers, IEEE Int. Solid-State Circuits Conf., pp. 130-131 (1999).
S. Kawahito, C. Maier, M. Schneider, M. Zimmermann, H. Baltes, "2-D CMOS microfluxgate sensor system for digital detection of weak magnetic fields," IEEE J. Solid-State Circuits, vol. 34, No. 12, pp. 1843-1851 (1999).