TY  - GEN
ED  - BRITISH STANDARDS INSTITUTION
TI  - BS 4850 : Pt. 2 : 1972 : Specification for magnetic six-disk packs for data processing - part 2 : track format
PY  - 1972///
CY  - London
PB  - B.S.I.
N1  - STD1840
ER  -