Nagendra Bhargava Bharatula Jamie A. Ward Paul Lukowicz Gerhard Tröster Maximum Power Point Tracking (MPPT) for on-body Context Systems. 135-136 2006 conf/iswc/2006 ISWC http://dx.doi.org/10.1109/ISWC.2006.286363 db/conf/iswc/iswc2006.html#BharatulaWLT06