Ashwani Kumar, Dinesh Yadav, Ramesh Kumar Garg, Ravikant Gupta, Deepak Chhabra. “Design and Optimal Placement of PVDF Patches Over a Shoe Transducer for Efficient Energy Harvesting”. Design Engineering (April 14, 2020): 08 - 22. Accessed May 2, 2024. http://thedesignengineering.com/index.php/DE/article/view/3.