TY  - ADVS
AU  - Ordnance Survey
TI  - Cambridge & Newmarket: Saffron Walden
T2  - Landranger 154
SN  - 0319231739
U1  - 912.4259 ORD 
PY  - 2009///
PB  - Ordnance Survey
N1  - 1:50000 scale
ER  -