Pao-Chung Ho Wei-Pang Yang Meichun Hsu Concurrent Operations in Multi-Dimensional Extendible Hashing. 51-72 1989 5 J. Inf. Sci. Eng. 1 http://www.iis.sinica.edu.tw/page/jise/1989/198901_04.html db/journals/jise/jise5.html#HoYH89