Assertion: cerium's number | /r/HasProperty | more than 100
Facets:
Source sentences:
text: In one of the only successful demonstration programs up to now involving a large number of vehicles (more than 100) over a long period of time (2-year operation), it was demonstrated in Athens in 1989-1991 that 110 buses, each one driving more than 100,000 km during the period, were able to work with a dosage rate of 50 ppm.