1. McMichael JM, Francis MS. Micro air vehicles—toward a new dimension in flight. World Wide Web 〈http://www.darpa.mil/tto/MAV/mav_auvsi.html〉; August 1997 [accessed: 18/09/2001].
2. Żbikowski R. Flapping wing autonomous micro air vehicles: research programme outline. In: 14th international conference on unmanned air vehicle systems, vol. Supplementary Papers. 1999a. p. 38.1–.5.
3. Żbikowski R. Flapping wing micro air vehicle: a guided platform for microsensors. In: Royal aeronautical society conference on nanotechnology and microengineering for future guided weapons, 1999b, p. 1.1–.11.
4. Żbikowski R. Flapping wing technology. In: European military rotorcraft symposium, Shrivenham, UK, 21–23 March 2000; p. 1–7.
5. Energy requirements for the flight of micro air vehicles;Woods;Aeronaut J,2001