TY  - BOOK
AU  - Yourdon,Edward
TI  - Learning to program in structured COBOL
SN  - 0135277132
PY  - 1979///
CY  - Englewood Cliffs, N.J.
PB  - Prentice-Hall
KW  - COBOL (Computer program language)
KW  - Structured programming
N1  - 2 volumes in 1
ER  -