TY  - BOOK
AU  - Zehr, Howard
AU  - Zehr,Howard
TI  - Changing Lenses
SN  - 0836135121   
U1  - 364.6 
PY  - 1990///
CY  - Ontario
PB  - Herald Press 
KW  - Crime
N1  - includes index and biblioraphy
ER  -