TY  - BOOK
AU  - Jensen, Arne
AU  - Johnsen, E. ; ed.
TI  - Traffic, operational research, Futurology in service of research and society; a collection of papers published on the occasion of the author's 60th birthday
U1  - 658.4034 
PY  - 1980///
CY  - Amsterdam
PB  - North-Holland
ER  -