1. I. Howard, A review of rolling element bearing vibration: Detection, diagnosis and prognosis, Defence Science and Technology Organisation, Australian Department of Defence, DSTO-RR-0013, 1994.
2. C.G. Knight, Wireless networks: Implications for aircraft loads monitoring, Defence Science and Technology Organisation, Australian Department of Defence, DSTO-TN-0759, 2007.
3. A study of low level vibrations as a power source for wireless sensor nodes;Roundy;Computer Communications,2003
4. Design considerations for MEMS-scale piezoelectric mechanical vibration energy harvesters;duToit;Journal of Integrated Ferroelectrics,2005
5. Performance of micro fabricated piezoelectric vibration energy harvesters;duToit;Integrated Ferroelectrics,2006