TY  - BOOK
AU  - Simpon A.
TI  - D Base IV 1 1
SN  - 0000023201
U1  - 001.642466Dbase 6 
PY  - 1991///
CY  - Singapore
PB  - Tech Publications Pvt. Ltd., Singapore
KW  -  D
KW  - Base
KW  - D Base Languages III, IV etc
ER  -