TY  - BOOK
AU  - Leon - garcia ,a .
TI  - Probability and random processes for : electronical engineering
SN  - 0- 321 -18963 -9
AV  - COLENG TK 153 .L4 1994 
PY  - 1994///
CY  - California 
PB  - Addison - wesley
KW  - Safety measures
ER  -