@article{ASAMIToshihiko:1988-06-15, author="ASAMI, Toshihiko and SEKIGUCHI, Hisayoshi", title="Study on an Oil Damper with a Variable Damping Mechanism : Dynamic Characteristics of a Damper with a Piston Having a Fan-Shaped Orifice", journal="JSME international journal. Ser. 3, Vibration, control engineering, engineering for industry", ISSN="09148825", publisher="一般社団法人日本機械学会", year="1988", month="jun", volume="31", number="2", pages="370-379", URL="http://ci.nii.ac.jp/naid/110002504907/", DOI="", }