1968apj___153__221w (2)
TRANSCRIPT
1968ApJ...153..221W
1968ApJ...153..221W
1968ApJ...153..221W
1968ApJ...153..221W
1968ApJ...153..221W
1968ApJ...153..221W
1968ApJ...153..221W
1968ApJ...153..221W
1968ApJ...153..221W
1968ApJ...153..221W
1968ApJ...153..221W
1968ApJ...153..221W
1968ApJ...153..221W
1968ApJ...153..221W