%0 Journal Article
%A R. Tamassia
%A G. di Battista
%A I.G. Toms
%T Area Requirement and Symmetry Display of Planar Upward Drawings.
%J Discrete & computational geometry
%D 1992
%P 381-402
%V 7
%N 4
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DCG_1992__7_4_131203/
%F DCG_1992__7_4_131203