TY  - BOOK
AU  - British Standards Institution
ED  - British Standards Institution
TI  - Universal decimal clssification: 678 Macromolecular materials and 679 Injdustries based on stone and other processable materials. English Ed
U1  - 2:51M96, qJ4-;4 (2D) 
PY  - 1952///
KW  - LIBRARY SCIENCE
ER  -