%0 Journal Article %A Willerton, Simon %T On the first two Vassiliev invariants. %J Experimental mathematics %D 2002 %P 289-296 %V 11 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/EXMA_2002__11_2_53248/ %G en %F EXMA_2002__11_2_53248