This topic was discussed in detail, and at great length on SCIT/WETD in
June, 1993, with active contributions from Seetamraju (WETD's editor),
K. Bapa Rao, PVR Rao (now at IISc, B'lore), KT Narayana, Malladi, and
Vidyasankar Sundaresan (active on RMIC, and Indology-List).
To save bandwidth I am not posting that thread here. Please send a mail to
<sreeni@ktpsp1.uni-paderborn.de>, to receive it.
Regards,
Sreenivas