TY  - JOUR
A1  - Bushway, S.
A1  - Johnson, B.D.
A1  - Slocum, L.A.
T1  - Is the magic still there? The use of the Heckman two-step correction for selection bias in criminology
Y1  - 2007
DO  - 10.1007/s10940-007-9024-4
VL  - 23
IS  - 2

ER  -