1. How bees exploit optical flow: behavioural experiments and neural models;Srinivasan;Phil. Trans. Roy. Soc. London B,1992
2. Visual navigation: the eyes know where their owner is going;Srinivasan,2001
3. G.Barrows, Future visual microsensors for mini/micro-UAV applications, in: IEEE Proc. Int. Workshop on Cellular Neural Networks and their Applications, 2002, pp. 498–506.
4. www.proxflyer.com.
5. Visual guidance on optical flow: a robotic approach;Franceschini;J. Physiol. (Paris),2004