TY  - BOOK
AU  - Barbour,Edna Hollar
TI  - PL/I, a self-instructional manual
PY  - 1970///
CY  - London
PB  - Macmillan Co.
KW  - PL/I (Computer program language)
KW  - Local
KW  - Electronic digital computers
KW  - Programming
N1  - Includes index
ER  -