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Wikipedia, 2011. [online] Available at <http://en.wikipedia.org/wiki/Au>
Christinas2006, 2010. Trochus snail spawning video 1. [video online] Available at <http://www.youtube.com/watch?v=Jl38t2iCNJg&feature=fvst> [Accessed 23 October 2011]
Microstanford, 2011. Trochus snail motion. [video online] Available at <http://www.youtube.com/watch?v=eFI2wcDxb-g> [Accessed 24 October 2011] |