Universal Decimal Classification
Universal Decimal Classification
- London: British Standards Institution, 1946
- 46p.
Part 2. (Class 621.3 Electrical engineering) Vol. 4
Library science
Classification Nature
D 025.45 / H3.1
Part 2. (Class 621.3 Electrical engineering) Vol. 4
Library science
Classification Nature
D 025.45 / H3.1