See
Vogel, C., 1979. Indian Lexicography . In A History of Indian Literature ed. J. Gonda. Wiesbaden: Harrassowitz, p. 347 et passim.  http://n2t.net/ark:/13960/t9k427t7q

--
Professor Dominik Wujastyk
,

Singhmar Chair in Classical Indian Society and Polity
,

University of Alberta, Canada
.

South Asia at the U of A:
 
sas.ualberta.ca