TY  - BOOK
AU  -  MacCallum,I.R.
TI  -  Programming: :  a structured approach using PASCAL / 
U1  -  005.133   21
PY  - 1980///
CY  -  Essex: 
PB  -  University of Essex, 
KW  -  Pascal (Computer program language)
KW  -  Programming in PASCAL
ER  -