TY - JOUR AU - Rosalba Perna AU - E. Gotthelf BT - The Astrophysical Journal DA - 07/2008 DO - 10.1086/588211 PY - 2008 SP - 522 EP - 529 T2 - The Astrophysical Journal TI - Constraints on the Emission and Viewing Geometry of the Transient Anomalous X-Ray Pulsar XTE J1810-197 VL - 681 SN - 0004-637X ER -