TY  - BOOK
AU  - Van Duyn,J.A.
TI  - Documentation manual
SN  - 0877691177
AV  - QA 76 .V345 1972
U1  - 001.6/42 
PY  - 1972///]
CY  - Philadelphia
PB  - Auerbach Publishers
KW  - Electronic data processing documentation
N1  - Includes index
ER  -