TY - JOUR AU - P. Wilson BT - Solar Physics DA - Jan-07-1969 DO - 10.1007/BF00150653 PY - 1969 SP - 20 EP - 22 T2 - Solar Physics TI - On granulation models UR - http://link.springer.com/10.1007/BF00150653 VL - 8 SN - 0038-0938 ER -