TY  - BOOK
AU  - Amsbury,Amsbury  .
TI  - Structured basicand beyond / 
SN  - 0914894161
U1  - 005.133 BAS 
PY  - 1980///
CY  - Rockville : 
PB  - Computer science press , 
KW  - COMPUTER SCIENCE
N1  - Includes index and bibliography
ER  -