%0 Journal Article
%A Dirk Siersma
%T Extremal configurations of robot arms in three dimensions
%J Journal of Singularities
%D 2015
%P 180-190
%V 12
%I mathdoc
%U http://geodesic.mathdoc.fr/articles/10.5427/jsing.2015.12m/
%R 10.5427/jsing.2015.12m
%F 10_5427_jsing_2015_12m