See also:
References Swedish EPA: Tresticklan National Park (http://www.internat.environ.se/index.php3?main=/documents/nature/engpark/eparkdoc/etresti.htm)
... was (and still is) a language of religious ritual and scholarship, and it had locally varied spoken forms (Prakrits) such as Pali and Ardhamagadhi[?]. There are several ...