Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) Salem Saadon and Othman Sidek,A review of vibration-based MEMS piezoelectric energy harvesters,Energy Conversion and Management,0196-8904,Elsevier BV,2011-01,52,1,500-504,https://cir.nii.ac.jp/crid/1363670319866894336,https://doi.org/10.1016/j.enconman.2010.07.024