Dixit, Piyushkant. Vyapti saptaka sarah : : prasaktanuprasakta visayanirupanopachitah / Piyushkant Dixit . - / . - Delhi : Nag publishers , 1997. - xl,326p.: figures ; 25cm. NULL ISBN: 8170813700 RS200.00 (hb) Subjects--Index Terms: NYAYA DARSHAN Dewey Class. No.: 181.43