TY  - BOOK
AU  - Asworth, Carolina Goodland, Mike 
TI  - SSADM: a practical approach 
SN  - 0-07-707213-8 
U1  - 005.73 ASH  
PY  - 1990///
CY  - Mc graw hill 
PB  - London 
KW  - DATA FILES & DATABASE
ER  -