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2. MIL-HDBK-338B- Electronic Reliability Handbook. (Department of Defence, 1 Oct 1998)
3. Diving into MTBF and AFR Storage Specs Explained, Inside IT Storage. (Seagate, Apr 2010)
4. Military Handbook 217F - Reliability Prediction of Electronic Equipment. (Department of Defence, Dec 1991)
5. SR-332 - Reliability Prediction of Procedure for Electronic Equipment- RPP. (Telcordia Technologies (now Erriccson), 2001)