TY  - JOUR
PY  - 1989
DA  - 1989/1998/
TI  - Philips journal of research
T2  - Philips J. Res
PB  - Elsevier
CY  - Oxford
SN  - 0165-5817
LA  - English
N1  - Philips International BV
ID  - 240144708
ER  -