7Frank W Grasso, Pradeep Setlur.Inspiration, simulation and design for smart robot manipulators from the sucker actua- tion mechanism of cephalopods[J].Bioinspiration & Biomi- metics, 2007 ( 2 ) : S170-S181.
8Tramacere F, Beccai L, Kuba M, et al.The morphology and adhesion mechanism of Octopus vulgaris suckers[J].Plos One, 2013,8( 6 ) : e65074, doi: 10.1371/journal.pone.0065074.