TY - JOUR AU - O'Grady, Kieran G. TI - On the Kodaira dimension of moduli spaces of abelian surfaces JO - Compositio Mathematica PY - 1989 SP - 121 EP - 163 VL - 72 IS - 2 PB - Kluwer Academic Publishers UR - http://www.numdam.org/item/CM_1989__72_2_121_0/ LA - en ID - CM_1989__72_2_121_0 ER -