Joshi, Janhavi P and Sarangi, Subhasis and Sood, AK and Pal, Dilip and Bhat, SV (2002) Non-resonant microwave absorption studies of superconducting $MgB_2$ and $MgB_2+ MgO$. In: Pramana: Journal of Physics, 58 (2). pp. 361-369.