TY  - BOOK
AU  - National Reprographic Centre For Documentation
ED  - National Reprographic Centre For Documentation
TI  - Technical appraisal of the 70mm format for map reproduction
U1  - U11, K8 
PY  - 1968///
CY  - Hertfordshire
PB  - Hertfordshire Country Council Technical Library Service  
KW  - GEOGRAPHY
ER  -