YUNG-JEN HSU2018-09-102018-09-102005http://www.springerlink.com/content/7712142h21l68440/?p=f4b51d97fc2246a2b272f09ee0412bc2&pi=0http://scholars.lib.ntu.edu.tw/handle/123456789/317294Object Reminder and Safety Alarmjournal article10.1007/11596042