TY - RPRT TI - Evolutionary Design of a Robotic Material Defect Detection System AU - Ballard, Gary AU - Howsman, Tom AU - Craft, Mike AU - ONeil, Daniel AU - Steincamp, Jim AU - Howell, Joe T. PY - 2002 UR - https://ntrs.nasa.gov/citations/20020091855 ID - 20020091855 ER -