TY  - BOOK
AU  - Ridley, John R.
TI  - Health and safety-- in brief / 
SN  - 0750653205
AV  - KD3168 R546 2001 RID 2001
PY  - 2002///, c2001
CY  -  Oxford
PB  -  Butterworth : Heinemann,  
KW  -  
KW  - SMN
ER  -