**Books:**

- G G Joseph,
*The crest of the peacock*(London, 1991).

**Articles:**

- R P Kulkarni, The value of π known to Sulbasutrakaras,
*Indian J. Hist. Sci.***13**(1) (1978), 32-41. - G Kumari, Some significant results of algebra of pre-Aryabhata era,
*Math. Ed. (Siwan)***14**(1) (1980), B5-B13. - A E Raik and V N Ilin, A reconstruction of the solution of certain problems from the Apastamba Sulba Sutra Apastamba (Russian), in A P Juskevic, S S Demidov, F A Medvedev and E I Slavutin,
*Studies in the history of mathematics***19**'Nauka' (Moscow, 1974), 220-222; 302.

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