Christi R Johnson Technical Professional Contact johnsoncr@ornl.gov | 865.574.7254 Publications March, 2016 Development of an Ultrasonic Phased Array System for Wellbore Integrity ... Pagination First page « First Previous page ‹‹ Page 1 Current page 2 View All Key Links Curriculum Vitae Organizations Energy Science and Technology Directorate Electrification and Energy Infrastructures Division Electrification Section Sensors & Electronics Group