Bibliography
http://scienceillustrated.com.au/blog/science/3d-technology-boosts-swimmers-performance/
http://en.wikipedia.org/wiki/Water_polo_ball#Development_of_the_water_polo_ball
http://www.fina.org/
http://www.mikasasports.co.jp/e/
http://youtube.com
http://sportstechnologyblog.com
http://antiwave.co.uk
http://Myrthapool.com
www.bristolcitycommunitytrust.org.uk
www.aqvatech.it/web/en/waterpolo/
galleryhip.com
http://en.wikipedia.org/wiki/Water_polo_ball#Development_of_the_water_polo_ball
http://www.fina.org/
http://www.mikasasports.co.jp/e/
http://youtube.com
http://sportstechnologyblog.com
http://antiwave.co.uk
http://Myrthapool.com
www.bristolcitycommunitytrust.org.uk
www.aqvatech.it/web/en/waterpolo/
galleryhip.com