TY  - BOOK
AU  - DUIJVESTIJN,ARIE,J W (ED), LOCKEMANN,PETER CHRISTIAN (ED)
TI  - TRENDS IN INFORMATION PROCESSING SYSTEMS: 3RD CONFERENCE
SN  - NCST
U1  - 250 
PY  - 1981///
CY  - BERLIN
PB  - SV
ER  -