TY - JOUR A1 - Killworth, P.D. A1 - McCarty, C. A1 - Johnsen, E.C. A1 - Bernard, H. A1 - Shelley, G.A. T1 - Investigating the variation of personal network size under unknown error conditions Y1 - 2006 DO - 10.1177/0049124106289160 VL - 35 IS - 1 ER -