00313nam a2200121Ia 4500008004100000041000800041082001200049100001800061245003900079260003200118300003000150365001100180240624s9999    xx            000 0 und d  aeng  a300 FRA  aTHE ECONOMIST  a20 MEGACHANGE 50 THE WORLD IN 2050  c2012aNew DelhibViva Books  axv, : 304 : p. : cm. ; 21  cRSb32