Autonomous Microsystems for Downhole Applications: Design Challenges, Current State, and Initial Test Results. - Myungjoon Choi; Yuefei Sui; Inhee Lee 001; Ryan Meredith; Yushu Ma; Gyouho Kim; David T. Blaauw; Yogesh B. Gianchandani; Tao Li 049 (Sensors, 2017)