TY  - GEN
AU  - 
AU  - W.F.S. Central Staff,ISI
TI  - Data Processing Guidelines: Basic Documentation. Vol.1 & II
U1  - 005.72/DAT 
PY  - 1980///
CY  - London
PB  - International Statistical Institute
N1  - COMPUTER SYSTEMS - DATA; COMPUTER SYSTEMS-DATA STRUCTUR; DATA PROCESSING
ER  -