Universal decimal classification U D C 54 Chemistry crystallography mineralogy.
Universal decimal classification U D C 54 Chemistry crystallography mineralogy.
- London British Standard Institution 1972
- 120p.; 26cm.
580074781
Classification scheme - Library Science
U D C.
025.432 / U4U2
580074781
Classification scheme - Library Science
U D C.
025.432 / U4U2