TY - CPAPER AU - F. Walter AU - D. Gibson AU - G. Basri CY - Catania, Italy N1 - JILA Pub. 2528 PB - Dordrecht, D. Reidel Publishing Co. PP - Catania, Italy PY - 1983 TI - Coronal and chromospheric structure in AR Lac. II - Physical characteristics of the atmosphere ER -