http://missionscience.nasa.gov/ems/03_behaviors.html [2]
http://revisionworld.com/gcse-revision/physics/waves/wave-behaviour [3]
http://en.wikipedia.org/wiki/Wave%E2%80%93particle_duality [4]
http://hyperphysics.phy-astr.gsu.edu/hbase/mod1.html [5]
http://www.lightandmatter.com/html_books/lm/ch34/ch34.html [6]
Links
[1] https://hootsgo.org/?q=node/6391
[2] http://missionscience.nasa.gov/ems/03_behaviors.html
[3] http://revisionworld.com/gcse-revision/physics/waves/wave-behaviour
[4] http://en.wikipedia.org/wiki/Wave%E2%80%93particle_duality
[5] http://hyperphysics.phy-astr.gsu.edu/hbase/mod1.html
[6] http://www.lightandmatter.com/html_books/lm/ch34/ch34.html