Some words about the waterbike project on Tuvie:
http://www.tuvie.com/ultra-light-single-seater-weight-waterbike-concept/
Trendhunter.com
http://www.trendhunter.com/trends/emision-zero-waterbike
Hg.hu
http://hg.hu/blog/14965-vizibicikli-elsportoloknak
Others:
http://www.rnrassociates.com/wordpress/water-bike-cod_cool_product_design.html