B.  Kaur, Bhat, M., Licci, F., Kumar, R., Kulkarni, S. D., Joy, P. Alias, Bamzai, K. K., and Kotru, P. N., ?Modifications in magnetic anisotropy of M-type strontium hexaferrite crystals by swift heavy ion irradiation?, Journal of Magnetism and Magnetic Materials, vol. 305, no. 2, pp. 392-402, 2006.

M. K.  Rendale, Kulkarni, S. D., and Puri, V., ?Microwave dielectric and attenuation properties of Ni0.7-xCoxZn0.3Fe2O4 thick films?, Microelectronics International, vol. 26, no. 1, pp. 43-46, 2009.