TY - BOOK AU - Wentzel,Donat G. TI - The restless sun SN - 0874749824 (alk. paper) AV - QB521 .W46 1989 U1 - 523.7 19 PY - 1989/// CY - Washington PB - Smithsonian Institution Press KW - Astrophysics KW - Sun N1 - Series statement from jacket; Includes index ER -