TY  - BOOK
AU  - Wirth,Niklaus
TI  - Systematic programming: an introduction
T2  - Prentice-Hall series in automatic computation
SN  - 0138803692
AV  - QA76.6 .W5713
U1  - 001.6/42 
PY  - 1973///]
CY  - Englewood Cliffs, N.J.
PB  - Prentice-Hall
KW  - Computer programming
N1  - Includes bibliographical references
ER  -