TY - JOUR AU - P. Wilson AU - D. Rees AU - J. Beckers AU - D. Brown BT - Solar Physics DA - Jan-07-1972 DO - 10.1007/BF00155746 PY - 1972 SP - 86 EP - 97 T2 - Solar Physics TI - High resolution spectroscopy of the disk chromosphere II. Time Sequence Observations of Ca II H and K Emissions UR - http://link.springer.com/10.1007/BF00155746 VL - 25 SN - 0038-0938 ER -