* Kochhar, Rajesh, 'On the identity and chronology of the ic river ' in "Archaeology and Language III; Artefacts, languages and texts", Routledge (1999), ISBN 0-415-10054-2.
* Kochhar, Rajesh, 'On the identity and chronology of the ic river ' in "Archaeology and Language III; Artefacts, languages and texts", Routledge (1999), ISBN 0-415-10054-2.