TY  - BOOK
AU  - Curth, Michael A 
TI  - APL A Problem-oriented introduction 
T2  - Computers and their applications 
SN  - 0-7458-0300-8
PY  - 1989///
CY  - Chichester: 
PB  - Ellis Horwood Limited, 
KW  - Problem-oriented introduction
KW  - Iterative programming language
ER  -