Universal decimal classification
British Standards Institution
Universal decimal classification - London : British standards institution, 1943. - v. 2 (124 p. ) ; 27 cm.
Includes index.
V.2.pt.3. Classes 55 Geology, geophysics 56 Palaeontology. 57 Biology, 58.Botany 59.Zoology.
Library classification
Universal decimal classification
025.43 BSI
Universal decimal classification - London : British standards institution, 1943. - v. 2 (124 p. ) ; 27 cm.
Includes index.
V.2.pt.3. Classes 55 Geology, geophysics 56 Palaeontology. 57 Biology, 58.Botany 59.Zoology.
Library classification
Universal decimal classification
025.43 BSI