Bliss bibliographic classification
Mills, J
Bliss bibliographic classification - 2nd ed. - London: Butterworths, 1977 - xiv, 208p.
Class Q- Introduction and auxiliary schedules
0-408-70821-2
Bibliographic classification
Classification association Complete classification
D 025.49BC / J2;L7
Bliss bibliographic classification - 2nd ed. - London: Butterworths, 1977 - xiv, 208p.
Class Q- Introduction and auxiliary schedules
0-408-70821-2
Bibliographic classification
Classification association Complete classification
D 025.49BC / J2;L7