2015. ‘the sutta on mindfulness with in and out breathing’ in "buddhist meditative praxis: traditional teachings and modern applications", ed. k.l. dhammajoti, university of hong kong, centre of buddhist studies, pp. 1–24. this is on the sixteen stages of "ānāpāna-sati" meditation, both in its original meaning and later interpretation. (not at oxford.academia.edu)