李琳山Chou, Ger-ChihGer-ChihChouLee, Lin-ShanLin-ShanLee2009-02-042018-07-062009-02-042018-07-061987-05http://ntur.lib.ntu.edu.tw//handle/246246/120383en-USA General Theory for Asynchronous Speech Encryption Techniquesjournal article