1. Analysis and Innovation for Penetrant Testing for Airplane Parts. (2015) Authors: Guirong, Xu; Xuesong, Guan; Yuliang, Qiao; Yan, Gao Journal: Procedia engineering Issue: Volume 99(2015) Page Start: 1438 Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗