TY - JOUR A1 - Abraham, K.G. A1 - Maitland, A. A1 - Bianchi, S.M. T1 - Nonresponse in the American time use survey: Who is missing from the data and how much does it matter? Y1 - 2006 DO - 10.1093/poq/nfl037 VL - 70 IS - Special Issue 5 ER -