A Dynamic Disk Spin-Down Technique for Mobile Computing. - David P. Helmbold; Darrell D. E. Long; Bruce Sherrod (MobiCom, 1996)

Adaptive disk spin-down for mobile computers. - David P. Helmbold; Darrell D. E. Long; Tracey L. Sconyers; Bruce Sherrod (Mob. Networks Appl., 2000)