Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) Imaike Takeshi and Sakuta Yukinori and Sekine Yoshifumi,Phase Noise Improvement Techniques for Oscillator Circuit Using External Crystal Resonant Circuit,"IEEJ Transactions on Electronics, Information and Systems",03854221,The Institute of Electrical Engineers of Japan,2011,131,3,507-513,https://cir.nii.ac.jp/crid/1390282679586137216,https://doi.org/10.1541/ieejeiss.131.507