TY  - JOUR
AU  - J. Harris
AU  - I. Morrison
TI  - Slopes of effective divisors on the moduli space of stable curves.
JO  - Inventiones mathematicae
PY  - 1990
SP  - 321
EP  - 356
VL  - 99
IS  - 1
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/IM_1990__99_1_143761/
ID  - IM_1990__99_1_143761
ER  -