TY - JOUR AU - W. Rice AU - Phillip Armitage BT - The Astrophysical Journal DA - Aug-11-2004 DO - 10.1086/380390 PY - 2003 SP - L55 EP - L58 T2 - The Astrophysical Journal TI - On the Formation Timescale and Core Masses of Gas Giant Planets VL - 598 SN - 0004-637X ER -