| ultrasonics.org | Ultrasonic Industry Association |
| ieee-uffc.org | Ieee Transactions On Uffc |
| aip.org | International Acoustical Societies/Organizations |
| winzurf.co.nz | The Non Destructive Testing Association (New Zealand) |
| twi.co.uk | TWI (The Welding Institute) |
| ntiac.com | Nondestructive Testing Information Analysis Center (NTIAC) |
| ndt.net | The e-Journal of Nondestructive Testing |
| efndt.org | European Federation For Non-destructive Testing |
| dgzfp.de | Deutsche Gesellschaft für Zerstörungsfreie Prüfung e.V. (DGZfP) |
| csndt.org | CSNDT: The Canadian Society for Nondestructive Testing |
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