%0 Journal Article
%A G. Nawratil 
%T On the Degenerated Cases of Architecturally Singular Planar Parallel Manipulators
%J Journal for geometry and graphics
%D 2008
%P 141-149
%V 12
%N 2
%I mathdoc
%U http://geodesic.mathdoc.fr/item/JGG_2008_12_2_JGG_2008_12_2_a2/
%F JGG_2008_12_2_JGG_2008_12_2_a2