TY - JOUR PY - 2009// TI - The Lessons of Columbine, Part I JO - American behavioral scientist A1 - Muschert, G. W. A1 - Spencer, J. W. SP - 1223 EP - 1226 VL - 52 IS - 9 N2 -

[Abstract unavailable]

LA - SN - 0002-7642 UR - http://dx.doi.org/10.1177/0002764209332550 ID - ref1 ER -