A method of operating a vacuum cleaner.
@inproceedings{Toyoshima1988AMO,
title={A method of operating a vacuum cleaner.},
author={Hisanori Toyoshima and Fumio Jyoraku and Yoshitaro Ishii and Kazuo Tahara and Haruo Koharagi and Syuji Watanabe and Kouichi Saito and Kunio Azumino Miyashita and Tunehiro Endo and Wakichiro Hishi},
year={1988}
}