{TAIL ~ Composite oxide} having oxygen absorbing and desorbing capability and {HEAD ~ method} for preparing the same 
{ TAIL ~ Composite oxide } having oxygen absorbing and desorbing capability and { HEAD ~ method } for preparing the same
TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH