TY - JOUR AU - C. Thomassen AU - R.B. Richter TI - Intersections of Curve Systems and the Crossing Number of C5 x C5 . JO - Discrete & computational geometry PY - 1995 SP - 149 EP - 160 VL - 13 IS - 3-4 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DCG_1995__13_3-4_131352/ ID - DCG_1995__13_3-4_131352 ER -