TY  - JOUR
AU  - Walter Didimo
TI  - Upward Planar Drawings and Switch-regularity Heuristics
JO  - Journal of graph algorithms and applications
PY  - 2006
SP  - 259
EP  - 285
VL  - 10
IS  - 2
UR  - http://geodesic.mathdoc.fr/articles/10.7155/jgaa.00127/
DO  - 10.7155/jgaa.00127
LA  - en
ID  - JGAA_2006_10_2_a7
ER  -