00745nas a2200229 a 45000010008000000080041000080190012000490350016000610350012000770400015000890430012001040820017001161100081001332450081002142600030002953000020003255000017003455000027003625000032003896500047004219840047004682647970 u19uu9999weaar 1 uua0eng d1 a9860976 9abn93069410 92001870 aCLONEcANL au-at---0 a616.858822020aAustralian Group for the Scientific Study of Mental Deficiency.eConference.00aProgramme /cAustralian Group for the Scientific Study of Mental Deficiency.00aPerth, W.A. :bThe Group. av. ;c20-22 cm. aCover title. aTitle varies slightly. aDescription based on: 1958. 0aMental retardationzAustraliaxCongresses. a2001e1968-1970; 1975cN 616.858806394 AUS