Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) Suzuki Ryou and Sakamoto Katsuaki and Watanabe Yasuaki,2P3-6 Method for Improving Quality Factor in Crystal Oscillators with Duplicated Quartz Resonators(Poster Session),Proceedings of Symposium on Ultrasonic Electronics,1348-8236,Institute for Ultrasonic Elecronics,2013-11-20,34,0,259-260,https://cir.nii.ac.jp/crid/1390282763069871232,https://doi.org/10.24492/use.34.0_259