2001. ‘on the vibhajjavādins: the mahiṃsāsaka, dhammaguttaka, kassapiya and tambapaṇṇiya branches of the ancient theriyas’, "buddhist studies review", 18(2), pp. 131–82: on early roots of what became the ‘theravāda’: . http://ukabs.org.uk/buddhist-studies-review-vols-1-22/