TY  - BOOK
AU  - Parkin, Andrew 
TI  - Cobol workbook : A self study introduction to the COBOL programming language 
U1  - 001.6424 PAR 1960 32680 
PY  - 1960///
CY  - Britain, 
PB  - Butler & Tanner ltd. 
KW  - Computer science 
ER  -