TY  - BOOK
AU  -  Batty,C.D.
TI  -  An introduction to the nineteenth edition of the Dewey Decimal Class ification / 
SN  -  0851573037
U1  -  025.43 
PY  - 1981///
CY  -  London : 
PB  -  Clive Bingley, 
KW  -  Classification, Dewey decimal
KW  -  Programmed instruction
N1  -  Includes index
ER  -