TY  - BOOK
AU  - Batty,C.D.
AU  - Batty,C.D.
TI  - An introduction to the eighteenth edition of the Dewey decimal classification / 
SN  - 0851571174
U1  - 025.4 BAT  
PY  - 1971///.
CY  - London : 
PB  - Clive Bingley, 
KW  - Classification, Dewey decimal -- Programmed instruction.
KW  - Dewey Decimal Classification.
ER  -