TY  - BOOK
AU  - 
TI  - The practical guide to structured systems design
SN  - 0917072170
U1  - 004.21 PAG 
PY  - 1980///
CY  - New York, N.Y.
PB  - Yourdon Press
KW  - System design
KW  - Electronic data processing
N1  - Includes bibliographical references and index
ER  -