BS 4850 : Pt. 2 : 1972 : Specification for magnetic six-disk packs for data processing - part 2 : track format
- London B.S.I. 1972
- 10p.
STD1840
BS 4850 : Pt. 2 : 1972
681.327.63 / : 621.3.037.3
STD1840
BS 4850 : Pt. 2 : 1972
681.327.63 / : 621.3.037.3