00440nam 2201821 45000010005000000030023000050050009000280080041000370820011000780720021000890200014001101000027001242600034001513000025001852450074002101821StarLibrary Marc Built20180505201711 ||||| |||||||||||amh  a305.23 aAging - Research a309074215 aNational Academy Press bNational Academy Press c2001 a308 ص: ill؛ 23سم aPreparing For An Aging World bThe Case For Cross- National Research