TY - JOUR AU - T. Simon AU - T. Ayres AU - S. Redfield AU - Jeffrey Linsky BT - The Astrophysical Journal DA - Oct-11-2002 DO - 10.1086/342941 PY - 2002 SP - 800 EP - 809 T2 - The Astrophysical Journal TI - Limits on Chromospheres and Convection among the Main-Sequence A Stars VL - 579 SN - 0004-637X ER -